Разработка на уебсайт

Разработка или програмиране на уебсайт.

PHP за начинаещи

Първи стъпки в PHP.

img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important;}.wp-block-audio figcaption{color:#555;font-size:13px;text-align:center;}.is-dark-theme .wp-block-audio figcaption{color:hsla(0,0%,100%,.65);}.wp-block-code>code{font-family:Menlo,Consolas,monaco,monospace;color:#1e1e1e;padding:.8em 1em;border:1px solid #ddd;border-radius:4px;}.wp-block-embed figcaption{color:#555;font-size:13px;text-align:center;}.is-dark-theme .wp-block-embed figcaption{color:hsla(0,0%,100%,.65);}.blocks-gallery-caption{color:#555;font-size:13px;text-align:center;}.is-dark-theme .blocks-gallery-caption{color:hsla(0,0%,100%,.65);}.wp-block-image figcaption{color:#555;font-size:13px;text-align:center;}.is-dark-theme .wp-block-image figcaption{color:hsla(0,0%,100%,.65);}.wp-block-pullquote{border-top:4px solid;border-bottom:4px solid;margin-bottom:1.75em;color:currentColor;}.wp-block-pullquote__citation,.wp-block-pullquote cite,.wp-block-pullquote footer{color:currentColor;text-transform:uppercase;font-size:.8125em;font-style:normal;}.wp-block-quote{border-left:.25em solid;margin:0 0 1.75em;padding-left:1em;}.wp-block-quote cite,.wp-block-quote footer{color:currentColor;font-size:.8125em;position:relative;font-style:normal;}.wp-block-quote.has-text-align-right{border-left:none;border-right:.25em solid;padding-left:0;padding-right:1em;}.wp-block-quote.has-text-align-center{border:none;padding-left:0;}.wp-block-quote.is-large,.wp-block-quote.is-style-large,.wp-block-quote.is-style-plain{border:none;}.wp-block-search .wp-block-search__label{font-weight:700;}.wp-block-group:where(.has-background){padding:1.25em 2.375em;}.wp-block-separator{border:none;border-bottom:2px solid;margin-left:auto;margin-right:auto;opacity:.4;}.wp-block-separator:not(.is-style-wide):not(.is-style-dots){width:100px;}.wp-block-separator.has-background:not(.is-style-dots){border-bottom:none;height:1px;}.wp-block-separator.has-background:not(.is-style-wide):not(.is-style-dots){height:2px;}.wp-block-table thead{border-bottom:3px solid;}.wp-block-table tfoot{border-top:3px solid;}.wp-block-table td,.wp-block-table th{padding:.5em;border:1px solid;word-break:normal;}.wp-block-table figcaption{color:#555;font-size:13px;text-align:center;}.is-dark-theme .wp-block-table figcaption{color:hsla(0,0%,100%,.65);}.wp-block-video figcaption{color:#555;font-size:13px;text-align:center;}.is-dark-theme .wp-block-video figcaption{color:hsla(0,0%,100%,.65);}.wp-block-template-part.has-background{padding:1.25em 2.375em;margin-top:0;margin-bottom:0;}body{--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--color--dark-gray:#28303d;--wp--preset--color--gray:#39414d;--wp--preset--color--theme-default:#06c;--wp--preset--color--blue:#0069e4;--wp--preset--color--purple:#5749a0;--wp--preset--color--orange:#f0644a;--wp--preset--color--green:#46a162;--wp--preset--color--pale-blue:#7994be;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,rgba(6,147,227,1) 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,rgba(252,185,0,1) 0%,rgba(255,105,0,1) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,rgba(255,105,0,1) 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--duotone--dark-grayscale:url("#wp-duotone-dark-grayscale");--wp--preset--duotone--grayscale:url("#wp-duotone-grayscale");--wp--preset--duotone--purple-yellow:url("#wp-duotone-purple-yellow");--wp--preset--duotone--blue-red:url("#wp-duotone-blue-red");--wp--preset--duotone--midnight:url("#wp-duotone-midnight");--wp--preset--duotone--magenta-yellow:url("#wp-duotone-magenta-yellow");--wp--preset--duotone--purple-green:url("#wp-duotone-purple-green");--wp--preset--duotone--blue-orange:url("#wp-duotone-blue-orange");--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;}.has-black-color{color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-color{color:var(--wp--preset--color--white) !important;}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important;}.has-black-background-color{background-color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-background-color{background-color:var(--wp--preset--color--white) !important;}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important;}.has-black-border-color{border-color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-border-color{border-color:var(--wp--preset--color--white) !important;}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important;}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important;}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important;}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important;}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important;}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important;}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important;}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important;}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important;}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important;}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important;}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important;}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important;}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important;}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important;}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important;}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important;}div.simplesocialbuttons.simplesocialbuttons-align-centered{margin-top:40px;background-color:#fafafa;}.simplesocialbuttons.simplesocial-round-icon button{border:0;background-color:#fafafa;}div.simplesocialbuttons{border-top:1px solid #e3e3e3;}.simplesocialbuttons.simplesocial-round-icon button.simplesocial-fb-share:hover{background:#fafafa;color:#000;}.simplesocialbuttons.simplesocial-round-icon button.simplesocial-twt-share:hover{background:#fafafa;color:#000;}.simplesocialbuttons.simplesocial-round-icon button.simplesocial-linkedin-share:hover{background:#fafafa;color:#000;}.wpml-ls-statics-footer a{color:#444;background-color:#fff;}.wpml-ls-statics-footer a:hover,.wpml-ls-statics-footer a:focus{color:#000;background-color:#eee;}.wpml-ls-statics-footer .wpml-ls-current-language>a{color:#444;background-color:#fff;}.wpml-ls-statics-footer .wpml-ls-current-language:hover>a,.wpml-ls-statics-footer .wpml-ls-current-language>a:focus{color:#000;background-color:#eee;}div#ez-toc-container p.ez-toc-title{font-size:14px;}div#ez-toc-container p.ez-toc-title{font-weight:500;}div#ez-toc-container ul li{font-size:14px;}div#ez-toc-container{background:#fff;border:1px solid #ddd;}div#ez-toc-container p.ez-toc-title{color:#999;}div#ez-toc-container ul.ez-toc-list a{color:#2e67b2;}div#ez-toc-container ul.ez-toc-list a:hover{color:#cb2026;}div#ez-toc-container ul.ez-toc-list a:visited{color:#7653aa;}:root{--hkb-main-container-width:1200px;--hkb-link-color:#2358a1;--hkb-link-color-hover:#2861b0;--hkb-header-style-bg:#2358a1;--hkb-header-style-graddir:90deg;--hkb-header-style-grad1:#2358a1;--hkb-header-style-grad2:#2358a1;--hkb-header-text-color:#fff;}.simplesocialbuttons.simplesocialbuttons_inline .ssb-fb-like{}.simplesocialbuttons.simplesocialbuttons_inline.simplesocial-round-icon button{}span.wplmi-user-avatar{width:16px;display:inline-block !important;flex-shrink:0;}img.wplmi-elementor-avatar{border-radius:100%;margin-right:3px;}.site-header .site-header__title,.nav-header ul li a{color:#fff;}.nav-header .nav-header__mtoggle span,.nav-header .nav-header__mtoggle span::before,.nav-header .nav-header__mtoggle span::after{background:#fff;}a{color:#06c;}button,input[type="reset"],input[type="submit"],input[type="button"],.hkb-article__content ol li:before,.hkb-article__content ul li:before,.hkb_widget_exit__btn{background:#06c;}.hkb-breadcrumbs__icon{fill:#06c;}.hkb-article__title a:hover,.hkb-article__link:hover h2,.ht-post__title a:hover,.hkb-category .hkb-category__articlelist a{color:#06c;}.hkb-article-attachment__icon{fill:#06c;}a:hover,.hkb-category .hkb-category__articlelist a:hover{color:#c00;}button:hover,input[type="reset"]:hover,input[type="submit"]:hover,input[type="button"]:hover,.ht-transferbox__btn:hover{background:#c00;}.ht-container{max-width:1000px;}.ht-sitecontainer--boxed{max-width:1000px;}h1,h2,h3,h4,h5,h6{font-family:inherit;letter-spacing:0px;text-transform:none;color:#333;}body,input,optgroup,select,textarea{font-family:inherit;font-size:17px;letter-spacing:0px;line-height:1.55;color:#595959;}.hkb-category .hkb-category__iconwrap,.ht-categoryheader .hkb-category__iconwrap{flex-basis:35px;min-width:35px;}.hkb-category .hkb-category__iconwrap img,.ht-categoryheader .hkb-category__iconwrap img{max-width:35px;}.hkb-category .hkb-category__iconwrap img,.ht-categoryheader .hkb-category__iconwrap img,.hkb-category .hkb-category__iconwrap,.ht-categoryheader .hkb-category__iconwrap,.ht-categoryheader .hkb-category__iconwrap svg{max-height:35px;}.site-header{background:#e5007e;background:linear-gradient(94deg,#e5007e 0%,#eb6608 100%);}.nav-header > ul > li.menu-item-has-children > a::after{background-image:url("data:image/svg+xml,%3Csvg xmlns=\'http://www.w3.org/2000/svg\' viewBox=\'0 0 34.1 19\' fill=\'%23ffffff\'%3E%3Cpath d=\'M17 19c-0.5 0-1-0.2-1.4-0.6L0.6 3.4c-0.8-0.8-0.8-2 0-2.8 0.8-0.8 2-0.8 2.8 0L17 14.2 30.7 0.6c0.8-0.8 2-0.8 2.8 0 0.8 0.8 0.8 2 0 2.8L18.4 18.4C18 18.8 17.5 19 17 19z\'/%3E%3C/svg%3E");}.ht-container,.ht-sitecontainer--boxed{max-width:1000px;}.hkb-category .hkb-category__link{border-bottom:1px solid #e6e6e6;}.hkb-category.hkb-category--witharticles{border-bottom:1px solid #e6e6e6;}.hkb_widget_toc ol li.active > a{background:rgba(0,102,204,.8);}.site-header{background-image:url("https://cdn-aekok.nitrocdn.com/VyGmsbsvZMCiCNCwYVXGaqhrZKrhuwAG/assets/static/optimized/rev-eb1a07e/wp-content/uploads/Help-page-header-300x300-transparency.svg"),linear-gradient(94deg,#e5007e 0%,#eb6608 100%);background-repeat:repeat-x;background-color:#eb6608;}.site-header.nitro-lazy{background-image:none !important;}body{font-family:Verdana,sans-serif;font-size:14px;}h1,h2,h3,h4,h5,h6{font-family:Verdana,sans-serif;font-weight:400;}a{text-decoration:none;}.text-notice{background-color:#f6f6f6;}.hkb-category .hkb-category__iconwrap{max-height:50px;min-width:50px;}.hkb-category .hkb-category__iconwrap img{max-width:50px;max-height:50px;}.hkb-category.hkb-category--style7:not(.hkb-category--witharticles) .hkb-category__title{-webkit-align-self:flex-start;-moz-align-self:flex-start;-ms-flex-item-align:start;align-self:flex-start;}.hkb-category.hkb-category--style7:not(.hkb-category--witharticles) .hkb-category__content{-webkit-align-content:flex-start;-moz-align-content:flex-start;-ms-flex-content-align:start;align-content:flex-start;}.hkb-breadcrumbs li:last-child{display:none;}.hkb-breadcrumbs li:nth-last-child(2) svg{display:none;}.ez-toc-widget-container li > a{padding:1px 4px;display:block;width:100%;}.ez-toc-widget-container li.active > a{font-weight:normal;color:#fff;background-color:#007cba;display:block;border-radius:4px;width:100%;}#ezw_tco-2 .ez-toc-widget-container ul.ez-toc-list li.active::before{border-radius:4px;position:relative;}div.ez-toc-widget-container ul.ez-toc-list{padding:0;}.ez-toc-list ul > li{padding:4px 0;}