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<?php // suppose some data is missing... function generateXML(){ $data = []; $data["height"]; $data["text"]="just a test"; // if generating the XML: $xml = "<template>"; $xml .= empty($data["height"])? "" : "<height>$data[height]</height><width>$data[height]</width>"; $xml .= empty($data["text"])? "" : "<text>$data[text]</text>"; $xml .= "</template>"; return $xml; } echo generateXML(); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Warning: Undefined array key "height" in /in/3pjKd on line 5 <template><text>just a test</text></template>
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: height in /in/3pjKd on line 5 <template><text>just a test</text></template>
Output for 7.3.32 - 7.3.33
<template><text>just a test</text></template>
preferences:
179.08 ms | 408 KiB | 5 Q