{"version":"1.0","provider_name":"Jose Aguilar Blog","provider_url":"https:\/\/www.jose-aguilar.com\/blog","author_name":"Jose Aguilar","author_url":"https:\/\/www.jose-aguilar.com\/blog\/author\/josea902\/","title":"Detectar espacios vac\u00edos en una cadena - Jose Aguilar Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"demsbEj2Ae\"><a href=\"https:\/\/www.jose-aguilar.com\/blog\/detectar-espacios-vacios-en-una-cadena\/\">Detectar espacios vac\u00edos en una cadena<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.jose-aguilar.com\/blog\/detectar-espacios-vacios-en-una-cadena\/embed\/#?secret=demsbEj2Ae\" width=\"600\" height=\"338\" title=\"\u00abDetectar espacios vac\u00edos en una cadena\u00bb \u2014 Jose Aguilar Blog\" data-secret=\"demsbEj2Ae\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.jose-aguilar.com\/blog\/wp-content\/uploads\/2014\/10\/Imagen-no-disponible-282x300.png","thumbnail_width":282,"thumbnail_height":300,"description":"Para algunos proyectos en PHP viene muy bien detectar espacios vac\u00edos en cadenas de textos. Un ejemplo pr\u00e1ctico de esto podr\u00eda ser la idea de no querer registrar usuarios con nombres que contengan espacios o car\u00e1cteres en blanco. Una forma pr\u00e1ctica de controlar esto mediante PHP es utilizar una funci\u00f3n denominada strpos() que encuentra la [&hellip;]"}