3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $q1 = 1; $q2 = 2; $q3 = 3; $q4 = 4; $q5 = 5; echo "${q1}"; //outputs 1 for($i=1; $i<=5; $i++) { $varname = "q{$i}"; echo "{$varname}"; //how to make $i work here? }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/NSs6L on line 10 1q1q2q3q4q5

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