3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( $a = hex2bin("1b204422433222ebbb1b2842"), mb_convert_encoding($a, "UTF-8", "ISO-2022-JP"), mb_strpos($a, "?", 0, "ISO-2022-JP") );

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)
8.3.60.0040.01116.50
8.3.50.0140.00718.45
8.3.40.0120.00620.32
8.3.30.0070.00718.50
8.3.20.0040.00424.18
8.3.10.0030.00624.66
8.3.00.0040.00426.16
8.2.180.0120.00325.92
8.2.170.0090.00618.96
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0090.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00421.15
8.2.110.0030.00722.40
8.2.100.0060.00617.75
8.2.90.0030.00517.88
8.2.80.0000.00817.97
8.2.70.0080.00018.05
8.2.60.0050.00318.22
8.2.50.0040.00418.10
8.2.40.0080.00018.16
8.2.30.0000.00718.16
8.2.20.0040.00419.42
8.2.10.0040.00418.23
8.2.00.0000.00719.21
8.1.280.0080.00625.92
8.1.270.0090.00024.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00422.31
8.1.230.0060.00919.29
8.1.220.0080.00017.77
8.1.210.0000.00818.77
8.1.200.0060.00317.50
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.62
8.1.160.0070.00418.96
8.1.150.0070.00018.75
8.1.140.0000.00717.57
8.1.130.0000.00717.49
8.1.120.0040.00417.44
8.1.110.0040.00617.53
8.1.100.0130.00217.50
8.1.90.0100.00717.56
8.1.80.0100.00617.56
8.1.70.0060.00917.58
8.1.60.0140.00317.69
8.1.50.0130.00417.63
8.1.40.0140.00317.63
8.1.30.0150.00317.78
8.1.20.0160.00317.71
8.1.10.0130.00517.61
8.1.00.0130.00417.56
8.0.300.0040.00419.79
8.0.290.0040.00416.75
8.0.280.0080.00018.53
8.0.270.0040.00417.97
8.0.260.0060.00017.29
8.0.250.0050.00217.02
8.0.240.0090.00316.91
8.0.230.0120.00416.84
8.0.220.0100.00516.94
8.0.210.0080.00616.88
8.0.200.0070.00816.96
8.0.190.0080.00716.98
8.0.180.0100.00616.84
8.0.170.0120.00316.86
8.0.160.0060.00916.80
8.0.150.0120.00316.84
8.0.140.0140.00216.90
8.0.130.0090.00816.79
8.0.120.0100.00516.85
8.0.110.0080.00716.84
8.0.100.0090.00516.92
8.0.90.0100.00516.95
8.0.80.0100.00616.94
8.0.70.0140.00216.87
8.0.60.0080.00816.85
8.0.50.0070.00916.86
8.0.30.0110.00516.88
8.0.20.0150.00116.94
8.0.10.0090.00616.93
7.4.330.0040.00015.55
7.4.320.0060.00016.62
7.4.300.0040.01316.59
7.4.290.0100.00616.54
7.4.280.0160.00216.59
7.4.270.0090.00816.61
7.4.260.0160.00216.52
7.4.250.0130.00316.66
7.4.240.0120.00416.60
7.4.230.0150.00316.66
7.4.220.0070.00716.63
7.4.210.0060.00616.53
7.4.200.0080.00616.60
7.4.190.0130.00216.68
7.4.180.0130.00016.65
7.4.160.0030.00516.53
7.4.150.0070.00416.44
7.4.140.0080.00316.57
7.4.130.0100.00116.60
7.4.120.0080.00416.57
7.4.110.0080.00416.43
7.4.100.0060.00516.55
7.4.90.0020.00916.56
7.4.80.0030.00716.48
7.4.70.0080.00316.52
7.4.60.0050.00616.36
7.4.50.0060.00516.39
7.4.40.0040.00516.37
7.4.30.0020.00916.42
7.4.20.0080.00216.34
7.4.10.0050.00516.43
7.4.00.0040.00516.54

preferences:
47.8 ms | 400 KiB | 5 Q