1.0life michael bloghttps://lifemichael.com/enHaim Michaelhttps://lifemichael.com/en/author/lifemichaelblog/rich600338<blockquote class="wp-embedded-content" data-secret="kg8u4IH8to"><a href="https://lifemichael.com/en/the-usort-function-in-php-pro/">The usort Function in PHP <font size=-2><a href=http://www.lifemichael.com/en/?page_id=73 target=_blank>PRO</a></font></a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://lifemichael.com/en/the-usort-function-in-php-pro/embed/#?secret=kg8u4IH8to" width="600" height="338" title="“The usort Function in PHP <font size=-2><a href=http://www.lifemichael.com/en/?page_id=73 target=_blank>PRO</a></font>” — life michael blog" data-secret="kg8u4IH8to" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o<n.length;o++)n[o].style.display="none";for(o=0;o<i.length;o++)if(r=i[o],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=l.createElement("a"),a=l.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,a.host===s.host)if(l.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=l.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> The usort function allows us to specify the criteria by which the array will be sorted. The following code sample includes the definition of the class Student and the creation of an array that its values are references for objects instantiated from Student. Using the usort function we can sort the students according to their […]