3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = ['a', '', 'foo']; foreach($f as $i => $str) { if ($str <> '') { var_dump($i); } }

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)
8.3.60.0090.00616.63
8.3.50.0110.00420.13
8.3.40.0130.00318.41
8.3.30.0110.00418.41
8.3.20.0060.00324.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0140.00325.92
8.2.170.0150.00718.81
8.2.160.0100.00322.96
8.2.150.0000.00725.66
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00226.16
8.2.110.0060.00321.01
8.2.100.0090.00317.72
8.2.90.0030.00517.75
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0000.00817.25
8.2.50.0000.00817.98
8.2.40.0040.00418.22
8.2.30.0040.00417.93
8.2.20.0050.00320.34
8.2.10.0000.00717.61
8.2.00.0040.00419.20
8.1.280.0090.00625.92
8.1.270.0070.00023.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.05
8.1.230.0060.00619.14
8.1.220.0050.00317.77
8.1.210.0040.00418.77
8.1.200.0100.00317.36
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0080.00017.62
8.1.160.0040.00418.95
8.1.150.0040.00718.57
8.1.140.0040.00417.32
8.1.130.0070.00018.90
8.1.120.0050.00317.46
8.1.110.0070.00017.46
8.1.100.0050.00317.35
8.1.90.0030.00617.48
8.1.80.0060.00317.45
8.1.70.0000.00717.49
8.1.60.0000.00817.50
8.1.50.0040.00417.58
8.1.40.0000.00717.41
8.1.30.0030.00617.66
8.1.20.0030.00517.57
8.1.10.0210.00317.38
8.1.00.0110.00017.19
8.0.300.0070.00019.64
8.0.290.0040.00416.63
8.0.280.0030.00618.31
8.0.270.0030.00316.73
8.0.260.0030.00318.32
8.0.250.0000.00816.96
8.0.240.0000.00617.02
8.0.230.0000.00716.95
8.0.220.0000.00716.77
8.0.210.0030.00316.75
8.0.200.0000.00716.96
8.0.190.0000.00716.79
8.0.180.0070.00016.79
8.0.170.0030.00516.79
8.0.160.0000.00816.91
8.0.150.0150.00816.66
8.0.140.0200.00016.81
8.0.130.0100.00716.77
8.0.120.0140.00316.86
8.0.110.0150.00416.88
8.0.100.0180.00416.73
8.0.90.0080.01116.73
8.0.80.0150.00416.91
8.0.70.0000.01416.86
8.0.60.0200.00016.76
8.0.50.0100.00916.80
8.0.30.0140.00716.84
8.0.20.0140.00716.90
8.0.10.0190.00416.84
7.4.330.0000.00515.55
7.4.320.0030.00316.40
7.4.300.0000.00616.49
7.4.290.0050.00516.43
7.4.280.0030.00516.55
7.4.270.0170.01016.41
7.4.260.0180.00616.48
7.4.250.0080.00816.52
7.4.240.0130.00916.55
7.4.230.0170.00816.57
7.4.220.0190.00016.48
7.4.210.0170.00316.58
7.4.200.0140.00416.57
7.4.190.0170.00716.62
7.4.180.0170.00316.55
7.4.160.0180.00316.45
7.4.150.0170.00616.57
7.4.140.0100.00316.40
7.4.130.0140.00316.38
7.4.120.0130.00516.43
7.4.110.0170.00316.39
7.4.100.0160.00516.46
7.4.90.0250.00016.44
7.4.80.0200.00016.30
7.4.70.0090.00716.39
7.4.60.0080.00416.35
7.4.50.0060.00616.25
7.4.40.0000.01216.26
7.4.30.0110.00016.42
7.4.20.0120.00016.30
7.4.10.0040.00416.51
7.4.00.0000.00716.33

preferences:
52.07 ms | 400 KiB | 5 Q