3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [0 => 'b']; var_dump(sizeof($array));

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)
8.3.60.0100.00318.18
8.3.50.0090.00618.12
8.3.40.0040.01118.54
8.3.30.0000.01418.59
8.3.20.0040.00420.09
8.3.10.0000.00823.78
8.3.00.0080.00019.68
8.2.180.0080.00818.42
8.2.170.0150.00322.96
8.2.160.0030.01419.04
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00419.45
8.2.120.0000.00726.35
8.2.110.0090.00020.52
8.2.100.0070.00417.72
8.2.90.0000.00818.95
8.2.80.0000.00917.97
8.2.70.0040.00417.38
8.2.60.0070.00318.04
8.2.50.0080.00018.10
8.2.40.0000.00720.60
8.2.30.0030.00519.29
8.2.20.0000.00717.92
8.2.10.0000.00718.04
8.2.00.0050.00218.04
8.1.280.0090.00625.92
8.1.270.0050.00322.05
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00320.89
8.1.230.0040.00719.16
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0040.00418.98
8.1.150.0060.00318.87
8.1.140.0050.00219.60
8.1.130.0000.00818.75
8.1.120.0070.00017.38
8.1.110.0030.00617.32
8.1.100.0000.00817.44
8.1.90.0050.00317.41
8.1.80.0000.00717.45
8.1.70.0040.00417.29
8.1.60.0040.00417.57
8.1.50.0040.00417.43
8.1.40.0040.00417.52
8.1.30.0060.00317.56
8.1.20.0060.00317.59
8.1.10.0050.00217.50
8.1.00.0070.00017.22
8.0.300.0000.00718.77
8.0.290.0030.00516.63
8.0.280.0000.00718.37
8.0.270.0040.00417.13
8.0.260.0070.00018.55
8.0.250.0060.00016.79
8.0.240.0070.00016.80
8.0.230.0000.00716.91
8.0.220.0000.00616.81
8.0.210.0030.00316.70
8.0.200.0000.00616.87
8.0.190.0040.00416.75
8.0.180.0040.00416.73
8.0.170.0030.00316.92
8.0.160.0000.00716.77
8.0.150.0030.00316.79
8.0.140.0030.00616.86
8.0.130.0060.00013.27
8.0.120.0030.00316.80
8.0.110.0070.00016.78
8.0.100.0000.00716.76
8.0.90.0040.00416.94
8.0.80.0060.00916.89
8.0.70.0050.00216.83
8.0.60.0000.00716.92
8.0.50.0000.00816.82
8.0.30.0090.00916.82
8.0.20.0090.01317.40
8.0.10.0070.00016.89
8.0.00.0110.01116.70
7.4.330.0000.00515.55
7.4.320.0000.00716.41
7.4.300.0000.00616.48
7.4.290.0040.00416.57
7.4.280.0000.00916.58
7.4.270.0040.00416.60
7.4.260.0030.00316.50
7.4.250.0040.00416.44
7.4.240.0030.00316.60
7.4.230.0030.00316.59
7.4.220.0090.00916.61
7.4.210.0140.00716.67
7.4.200.0040.00416.29
7.4.160.0090.00916.40
7.4.150.0310.01717.40
7.4.140.0100.00917.86
7.4.130.0120.00616.39
7.4.120.0130.00716.56
7.4.110.0070.01016.49
7.4.100.0120.00416.62
7.4.90.0180.00716.36
7.4.80.0110.01119.39
7.4.70.0030.01316.46
7.4.60.0090.00616.49
7.4.50.0050.00916.26
7.4.40.0070.01416.57
7.4.30.0060.01016.41
7.4.00.0100.00714.84
7.3.330.0030.00312.84
7.3.320.0000.00512.85
7.3.310.0000.00715.98
7.3.300.0030.00316.11
7.3.290.0070.00716.10
7.3.280.0070.01016.13
7.3.270.0040.01417.40
7.3.260.0060.01416.47
7.3.250.0090.01016.25
7.3.240.0150.00616.41
7.3.230.0090.01116.42
7.3.210.0060.00916.07
7.3.200.0050.01116.14
7.3.190.0090.00616.52
7.3.180.0040.01216.24
7.3.170.0180.00316.41
7.3.160.0100.01016.54
7.2.330.0120.00616.24
7.2.320.0000.01716.47
7.2.310.0160.00016.54
7.2.300.0070.01016.51
7.2.290.0070.01016.25
7.2.60.0000.01116.79
7.2.00.0000.00919.38
7.1.200.0070.00315.70
7.1.100.0040.00817.83
7.1.70.0030.01617.11
7.1.60.0240.00934.73
7.1.50.0150.01834.43
7.1.40.0230.02334.29
7.1.30.0400.01134.14
7.1.20.0350.01334.57
7.1.10.0090.00916.45
7.1.00.0030.01416.50
7.0.200.0060.00916.67
7.0.190.0030.01416.52
7.0.180.0030.01816.09
7.0.170.0130.00716.34
7.0.160.0110.01116.20
7.0.150.0110.00716.10
7.0.140.0080.01416.37
7.0.130.0070.01116.58
7.0.120.0090.00916.48
7.0.110.0120.00916.15
7.0.100.0070.01416.33
7.0.90.0060.01216.19
7.0.80.0090.00916.45
7.0.70.0150.00616.09
7.0.60.0090.00916.08
7.0.50.0060.01516.51
7.0.40.0110.01116.35
7.0.30.0040.01816.39
7.0.20.0100.00616.54
7.0.10.0080.01116.16
7.0.00.0100.01016.26

preferences:
52.45 ms | 400 KiB | 5 Q