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run code in 300+ PHP versions simultaneously
<?php $x = 1234; $y = 4321; var_dump( (int) "${x}${y}" );
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/7T9Aj on line 6 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/7T9Aj on line 6 int(12344321)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
int(12344321)

preferences:
253.62 ms | 405 KiB | 340 Q