3v4l.org

run code in 500+ PHP versions simultaneously
<?php foreach ([ [0, 'a', 'a'], // from https://wiki.php.net/rfc/string_to_number_comparison [0, 0, '0'], [0, 0, '0.0'], [-1, 0, 'foo'], [1, 0, ''], [0, 42, ' 42'], [-1, 42, '42foo'], [0, '0', '0'], [0, '0', '0.0'], [-1, '0', 'foo'], [1, '0', ''], [0, '42', ' 42'], [-1, '42', '42foo'], [0, 42, '000042'], [0, 42, '42.0'], [0, 42.0, '+42.0E0'], [0, 0, '0e214987142012'], [0, '42', '000042'], [0, '42', '42.0'], [0, '42.0', '+42.0E0'], [0, '0', '0e214987142012'], [0, 42, ' 42'], [0, 42, '42 '], [-1, 42, '42abc'], [-1, 42, 'abc42'], [-1, 0, 'abc42'], [0, INF, 'INF'], [0, -INF, '-INF'], [0, INF, '1e1000'], [0, -INF, '-1e1000'], [-1, 10, 20], [-1, '10', 20], [-1, 10, '20'], ] as [$expected, $a, $b]) { $actual = $a <=> $b; if ($expected !== $actual) { echo var_export($a, true).' <=> '.var_export($b, true), PHP_EOL; echo 'Expected: '.var_export($expected, true), PHP_EOL; echo 'Actual: '.var_export($actual, true), PHP_EOL; echo PHP_EOL; } } echo 'Done.', PHP_EOL;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.80.0110.00617.72
8.5.70.0070.00716.91
8.5.60.0100.01016.74
8.5.50.0090.00816.76
8.5.30.0100.00817.34
8.5.20.0130.00520.11
8.5.10.0130.01016.61
8.5.00.0130.00821.94
8.4.230.0120.01019.50
8.4.220.0170.00622.13
8.4.210.0120.01019.68
8.4.180.0120.00925.63
8.4.170.0130.00823.77
8.4.160.0100.01123.82
8.4.150.0050.00817.81
8.4.140.0100.01117.39
8.4.130.0080.00817.70
8.4.120.0050.00322.14
8.4.110.0120.00818.71
8.4.100.0070.00318.89
8.4.90.0090.00818.65
8.4.80.0040.00420.57
8.4.70.0110.01017.93
8.4.60.0150.00518.82
8.4.50.0090.01118.70
8.4.40.0030.01617.92
8.4.30.0040.01519.13
8.4.20.0110.00719.47
8.4.10.0090.00920.84
8.3.320.0140.00618.41
8.3.310.0110.00918.43
8.3.300.0110.01022.46
8.3.290.0090.01022.35
8.3.280.0170.00318.23
8.3.270.0130.00616.69
8.3.260.0030.01316.56
8.3.250.0110.00619.05
8.3.240.0100.00716.54
8.3.230.0140.00516.72
8.3.220.0110.00718.80
8.3.210.0060.00318.73
8.3.200.0060.00216.57
8.3.190.0090.00517.03
8.3.180.0100.00917.23
8.3.170.0140.00721.01
8.3.160.0090.00618.36
8.3.150.0050.00317.08
8.3.140.0080.00016.50
8.3.130.0060.00318.56
8.3.120.0060.00318.93
8.3.110.0030.00616.76
8.3.100.0160.00024.06
8.3.90.0060.00326.77
8.3.80.0080.00016.75
8.3.70.0030.01216.75
8.3.60.0060.01516.50
8.3.50.0130.00524.43
8.3.40.0150.00619.18
8.3.30.0070.00718.65
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.320.0090.01017.94
8.2.310.0100.01117.91
8.2.300.0100.01217.97
8.2.290.0100.00820.25
8.2.280.0090.01018.57
8.2.270.0160.00317.36
8.2.260.0070.01018.52
8.2.250.0090.00018.23
8.2.240.0090.00017.37
8.2.230.0040.00420.94
8.2.220.0080.00037.54
8.2.210.0090.00926.77
8.2.200.0100.00016.50
8.2.190.0140.00016.63
8.2.180.0070.01325.92
8.2.170.0070.00722.96
8.2.160.0070.00722.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00026.35
8.2.110.0090.00020.96
8.2.100.0090.00318.04
8.2.90.0080.00017.78
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0000.00817.49
8.2.50.0060.00318.05
8.2.40.0030.00518.34
8.2.30.0050.00318.18
8.2.20.0080.00018.18
8.2.10.0040.00419.33
8.2.00.0050.00219.21
8.1.340.0120.00919.88
8.1.330.0130.00521.79
8.1.320.0120.00916.31
8.1.310.0080.00016.57
8.1.300.0000.00818.34
8.1.290.0050.00518.88
8.1.280.0140.00725.92
8.1.270.0080.00023.99
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0070.00322.05
8.1.230.0040.00820.84
8.1.220.0000.00817.78
8.1.210.0030.00619.66
8.1.200.0080.00517.29
8.1.190.0030.00617.25
8.1.180.0030.00618.10
8.1.170.0040.00417.62
8.1.160.0060.00318.80
8.1.150.0060.00318.88
8.1.140.0040.00418.88
8.1.130.0030.00320.05
8.1.120.0070.00017.35
8.1.110.0090.00017.41
8.1.100.0000.00817.44
8.1.90.0030.00517.38
8.1.80.0060.00617.47
8.1.70.0000.00717.45
8.1.60.0040.00417.52
8.1.50.0030.00617.48
8.1.40.0040.00417.44
8.1.30.0030.00617.62
8.1.20.0030.00617.64
8.1.10.0040.00417.49
8.1.00.0030.00717.48
8.0.300.0000.00720.09
8.0.290.0080.00016.63
8.0.280.0000.00818.44
8.0.270.0000.00718.01
8.0.260.0030.00320.22
8.0.250.0030.00316.89
8.0.240.0080.00016.95
8.0.230.0070.00016.87
8.0.220.0030.00316.81
8.0.210.0050.00216.75
8.0.200.0030.00516.96
8.0.190.0040.00416.86
8.0.180.0050.00316.82
8.0.170.0000.00816.93
8.0.160.0040.00416.82
8.0.150.0030.00416.70
8.0.140.0040.00416.86
8.0.130.0000.00513.36
8.0.120.0000.00816.89
8.0.110.0050.00216.95
8.0.100.0080.00017.00
8.0.90.0000.00816.69
8.0.80.0070.00816.92
8.0.70.0000.00816.79
8.0.60.0040.00416.91
8.0.50.0000.00716.95
8.0.30.0060.01617.14
8.0.20.0160.00317.07
8.0.10.0070.00017.07
8.0.00.0080.01516.95
7.4.330.0000.00515.55
7.4.320.0030.00316.59
7.4.300.0060.00016.47
7.4.290.0030.00816.39
7.4.280.0050.00216.60
7.4.270.0000.00716.52
7.4.260.0000.00513.17
7.4.250.0000.00716.61
7.4.240.0000.00816.52
7.4.230.0030.00316.50
7.4.220.0040.00416.50
7.4.210.0080.00816.54
7.4.200.0000.00816.60
7.4.130.0110.00616.55
7.4.120.0040.02116.45
7.4.110.0100.01516.38
7.4.100.0090.00916.64
7.4.90.0060.01216.59
7.4.80.0090.01119.39
7.4.70.0060.00916.64
7.4.60.0170.00916.56
7.4.50.0130.01616.55
7.4.40.0160.00716.50
7.4.30.0200.00316.43
7.4.20.0160.01016.26
7.4.10.0170.00716.19
7.4.00.0160.00316.30
7.3.330.0020.00516.39
7.3.320.0030.00313.23
7.3.310.0000.00816.41
7.3.300.0070.00016.23
7.3.290.0090.00816.37
7.3.260.0100.01516.38
7.3.240.0080.00916.36
7.3.230.0120.00416.52
7.3.210.0100.00716.59
7.3.200.0120.00916.51
7.3.190.0060.00916.58
7.3.180.0150.01016.45
7.3.170.0250.00016.30
7.3.160.0180.00516.27
7.3.150.0170.00816.23
7.3.140.0210.00416.57
7.3.130.0170.01016.28
7.3.120.0110.01116.30
7.3.110.0180.01216.57
7.3.100.0260.00716.56
7.3.90.0240.00616.39
7.3.80.0290.00416.36
7.3.70.0240.00816.42
7.3.60.0220.01116.41
7.3.50.0340.00316.41
7.3.40.0200.00016.30
7.3.30.0110.00616.41
7.3.20.0130.00616.42
7.3.10.0100.01316.43
7.3.00.0120.00416.33
7.2.330.0180.02716.70
7.2.310.0170.01116.75
7.2.300.0210.00316.74
7.2.290.0120.01216.69
7.2.280.0120.01216.59
7.2.270.0190.00816.56
7.2.260.0170.01116.42
7.2.250.0170.01016.68
7.2.240.0190.01116.73
7.2.230.0220.00916.77
7.2.220.0210.01116.68
7.2.210.0210.01116.69
7.2.200.0250.00916.55
7.2.190.0210.01616.62
7.2.180.0230.00816.46
7.2.170.0040.01516.65
7.2.160.0120.00816.58
7.2.150.0110.01116.61
7.2.140.0150.00616.64
7.2.130.0080.01116.63
7.2.120.0090.01016.69
7.2.110.0060.01216.58
7.2.100.0030.01616.66
7.2.90.0000.01716.58
7.2.80.0120.00616.68
7.2.70.0190.00016.55
7.2.60.0120.00816.60
7.2.50.0060.01216.63
7.2.40.0090.00916.68
7.2.30.0030.01216.73
7.2.20.0710.00616.74
7.2.10.0150.00316.45
7.2.00.0140.00316.51

preferences:
60.67 ms | 1540 KiB | 5 Q