3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('/^[a-z]{2}-[A-Z]{2}$/g', 'en-US');

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)
8.3.60.0100.00716.75
8.3.50.0000.01416.11
8.3.40.0110.00418.84
8.3.30.0070.00718.72
8.3.20.0050.00220.09
8.3.10.0000.00821.77
8.3.00.0030.00517.78
8.2.180.0080.00816.38
8.2.170.0070.00722.96
8.2.160.0130.00020.35
8.2.150.0030.00624.18
8.2.140.0060.00324.66
8.2.130.0000.00720.39
8.2.120.0040.00426.35
8.2.110.0090.00019.45
8.2.100.0040.00818.09
8.2.90.0080.00019.09
8.2.80.0030.00617.97
8.2.70.0040.00417.37
8.2.60.0040.00417.79
8.2.50.0000.00818.10
8.2.40.0060.00322.18
8.2.30.0030.00620.98
8.2.20.0000.00717.84
8.2.10.0000.00917.85
8.2.00.0050.00317.91
8.1.280.0100.01025.92
8.1.270.0000.00722.23
8.1.260.0020.00526.35
8.1.250.0040.00428.09
8.1.240.0090.00022.28
8.1.230.0070.00717.45
8.1.220.0050.00517.79
8.1.210.0030.00518.77
8.1.200.0040.00417.00
8.1.190.0030.00517.10
8.1.180.0040.00418.10
8.1.170.0080.00018.58
8.1.160.0030.00318.84
8.1.150.0000.00720.54
8.1.140.0000.00719.31
8.1.130.0040.00418.63
8.1.120.0000.00717.19
8.1.110.0000.00717.32
8.1.100.0040.00417.30
8.1.90.0040.00417.33
8.1.80.0030.00517.30
8.1.70.0070.00017.31
8.1.60.0060.00617.43
8.1.50.0040.00417.27
8.1.40.0030.00617.33
8.1.30.0000.01017.48
8.1.20.0020.00517.38
8.1.10.0020.00517.41
8.1.00.0000.00717.38
8.0.300.0070.00018.77
8.0.290.0080.00016.75
8.0.280.0000.00718.44
8.0.270.0070.00217.08
8.0.260.0000.00816.79
8.0.250.0000.00716.94
8.0.240.0030.00316.75
8.0.230.0000.00716.84
8.0.220.0030.00316.75
8.0.210.0040.00416.84
8.0.200.0060.00016.75
8.0.190.0040.00416.91
8.0.180.0040.00416.70
8.0.170.0080.00016.85
8.0.160.0030.00316.78
8.0.150.0030.00316.79
8.0.140.0000.00716.79
8.0.130.0000.00613.20
8.0.120.0040.00416.79
8.0.110.0040.00416.88
8.0.100.0040.00416.85
8.0.90.0000.00816.82
8.0.80.0000.01516.80
8.0.70.0040.00416.86
8.0.60.0040.00416.87
8.0.50.0000.00716.63
8.0.30.0120.00517.03
8.0.20.0100.01017.40
8.0.10.0000.00816.94
8.0.00.0080.00816.64
7.4.330.0050.00015.55
7.4.320.0060.00016.27
7.4.300.0030.00316.46
7.4.290.0030.00316.43
7.4.280.0000.00716.44
7.4.270.0070.00016.21
7.4.260.0050.00013.16
7.4.250.0030.00316.32
7.4.240.0030.00316.25
7.4.230.0040.00416.29
7.4.220.0180.00616.39
7.4.210.0070.01216.32
7.4.200.0070.00416.47
7.4.160.0100.00616.47
7.4.150.0070.01017.40
7.4.140.0090.01117.86
7.4.130.0060.01816.38
7.4.120.0070.01116.42
7.4.110.0090.00916.51
7.4.100.0160.00616.43
7.4.90.0090.00916.32
7.4.80.0110.00519.39
7.4.70.0140.00316.51
7.4.60.0060.01016.43
7.4.50.0030.01316.32
7.4.40.0090.00916.44
7.4.30.0090.01316.25
7.4.00.0000.01615.02
7.3.330.0050.00012.94
7.3.320.0000.00513.02
7.3.310.0000.01016.12
7.3.300.0000.00716.07
7.3.290.0040.00416.02
7.3.280.0100.00916.17
7.3.270.0100.00717.40
7.3.260.0080.00816.28
7.3.250.0080.01016.25
7.3.240.0070.00916.32
7.3.230.0110.01516.37
7.3.210.0120.00416.29
7.3.200.0000.01916.08
7.3.190.0090.00916.29
7.3.180.0090.00616.47
7.3.170.0140.00316.37
7.3.160.0040.01216.18
7.3.10.0070.00416.57
7.3.00.0020.01316.44
7.2.330.0100.01016.20
7.2.320.0060.00916.67
7.2.310.0160.00716.59
7.2.300.0090.01416.64
7.2.290.0120.01216.55
7.2.130.0090.00616.56
7.2.120.0090.00516.56
7.2.110.0090.00416.44
7.2.100.0030.00916.53
7.2.90.0150.00816.70
7.2.80.0120.01216.66
7.2.70.0090.01116.75
7.2.60.0060.01216.69
7.2.50.0120.00616.68
7.2.40.0100.00816.76
7.2.30.0050.00916.64
7.2.20.0130.00416.71
7.2.10.0030.00816.62
7.2.00.0120.00716.67
7.1.250.0050.00815.44
7.1.200.0030.00915.36
7.1.70.0100.00717.00
7.1.60.0200.01335.08
7.1.50.0210.01434.63
7.1.40.0190.02034.50
7.1.30.0180.01834.35
7.1.20.0210.01034.48
7.1.10.0050.01416.69
7.1.00.0030.01516.42
7.0.200.0030.01616.85
7.0.190.0150.00916.34
7.0.180.0030.01616.15
7.0.170.0090.01216.04
7.0.160.0000.01716.11
7.0.150.0080.00916.04
7.0.140.0030.01615.93
7.0.130.0050.01316.48
7.0.120.0110.00716.28
7.0.110.0070.01016.19
7.0.100.0060.01215.96
7.0.90.0050.01216.05
7.0.80.0060.01116.14
7.0.70.0080.00916.03
7.0.60.0150.00515.76
7.0.50.0060.01216.17
7.0.40.0090.00916.27
7.0.30.0120.00616.24
7.0.20.0060.01316.14
7.0.10.0150.00516.50
7.0.00.0080.01116.21

preferences:
55.42 ms | 401 KiB | 5 Q