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run code in 300+ PHP versions simultaneously
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Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
Warning: array_flip(): Can only flip string and integer values, entry skipped in /in/vKUNm on line 5 array(2) { ["array_unique"]=> array(2) { [0]=> int(0) [1]=> bool(false) } ["double flip"]=> array(1) { [2]=> int(0) } }
Output for 5.6.0 - 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
Warning: array_flip(): Can only flip STRING and INTEGER values! in /in/vKUNm on line 5 array(2) { ["array_unique"]=> array(2) { [0]=> int(0) [1]=> bool(false) } ["double flip"]=> array(1) { [2]=> int(0) } }
preferences:
146.2 ms | 413 KiB | 5 Q