3v4l.org

run code in 500+ PHP versions simultaneously
<?php function esc_url() { return "bar"; } echo "${esc_url($edit_link)}";
Output for 8.2.31 - 8.2.33, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/uJd9B on line 7 Warning: Undefined variable $edit_link in /in/uJd9B on line 7 Warning: Undefined variable $bar in /in/uJd9B on line 7
preferences:
42.3 ms | 794 KiB | 4 Q