3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('/^[a-z]{2}-[A-Z]{2}$/', '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)
8.3.60.0070.00716.50
8.3.50.0040.01116.25
8.3.40.0040.01419.02
8.3.30.0110.00418.79
8.3.20.0050.00220.21
8.3.10.0050.00321.90
8.3.00.0040.00418.03
8.2.180.0110.00416.38
8.2.170.0100.00322.96
8.2.160.0030.01020.35
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00420.35
8.2.120.0050.00326.35
8.2.110.0000.01020.57
8.2.100.0090.00317.57
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0060.00317.91
8.2.50.0000.00918.10
8.2.40.0040.00422.29
8.2.30.0050.00220.91
8.2.20.0050.00318.07
8.2.10.0080.00017.82
8.2.00.0000.00717.85
8.1.280.0170.00325.92
8.1.270.0040.00422.02
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00923.97
8.1.230.0090.00317.63
8.1.220.0100.00017.74
8.1.210.0030.00618.77
8.1.200.0060.00317.22
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0000.00818.68
8.1.160.0000.00818.91
8.1.150.0050.00220.57
8.1.140.0050.00319.46
8.1.130.0030.00318.77
8.1.120.0050.00217.50
8.1.110.0070.00017.42
8.1.100.0040.00417.32
8.1.90.0050.00217.44
8.1.80.0030.00317.38
8.1.70.0000.00817.36
8.1.60.0000.00817.62
8.1.50.0050.00317.54
8.1.40.0060.00317.55
8.1.30.0060.00317.73
8.1.20.0050.00217.56
8.1.10.0030.00517.57
8.1.00.0080.00017.53
8.0.300.0070.00018.77
8.0.290.0040.00416.88
8.0.280.0050.00318.40
8.0.270.0050.00317.20
8.0.260.0060.00016.88
8.0.250.0070.00017.05
8.0.240.0000.00716.90
8.0.230.0050.00316.95
8.0.220.0030.00316.91
8.0.210.0080.00016.86
8.0.200.0030.00316.85
8.0.190.0080.00016.92
8.0.180.0040.00416.93
8.0.170.0000.00716.81
8.0.160.0000.00716.82
8.0.150.0050.00316.88
8.0.140.0030.00516.91
8.0.130.0030.00313.37
8.0.120.0050.00216.88
8.0.110.0000.00716.81
8.0.100.0040.00416.85
8.0.90.0030.00317.01
8.0.80.0120.00316.83
8.0.70.0000.00716.77
8.0.60.0040.00416.85
8.0.50.0070.00016.89
8.0.30.0090.00917.07
8.0.20.0080.01617.40
8.0.10.0070.00017.08
8.0.00.0120.00616.86
7.4.330.0000.00515.55
7.4.320.0060.00016.66
7.4.300.0000.00616.55
7.4.290.0070.00016.68
7.4.280.0040.00416.55
7.4.270.0040.00416.58
7.4.260.0000.00713.29
7.4.250.0000.00816.64
7.4.240.0040.00416.65
7.4.230.0030.00316.67
7.4.220.0100.00716.53
7.4.210.0080.00816.63
7.4.200.0070.00016.75
7.4.160.0080.00816.61
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0220.00216.78
7.4.120.0120.00716.54
7.4.110.0090.00916.45
7.4.100.0120.01216.48
7.4.90.0110.00716.64
7.4.80.0070.01019.39
7.4.70.0060.01616.53
7.4.60.0100.00716.57
7.4.50.0000.01316.54
7.4.40.0040.01316.60
7.4.30.0070.01016.63
7.4.00.0000.01115.19
7.3.330.0000.00513.19
7.3.320.0000.00613.13
7.3.310.0000.00716.32
7.3.300.0030.00316.18
7.3.290.0030.00316.11
7.3.280.0080.01116.26
7.3.270.0130.00317.40
7.3.260.0090.00716.57
7.3.250.0110.01016.47
7.3.240.0020.01516.48
7.3.230.0030.01716.58
7.3.210.0030.01216.50
7.3.200.0090.00916.23
7.3.190.0100.01016.19
7.3.180.0090.01316.44
7.3.170.0080.00816.09
7.3.160.0100.00716.61
7.3.10.0060.01116.45
7.3.00.0100.00316.47
7.2.330.0120.00616.67
7.2.320.0040.01116.63
7.2.310.0170.00016.50
7.2.300.0110.01216.57
7.2.290.0040.01616.63
7.2.130.0110.00416.75
7.2.120.0120.01216.38
7.2.110.0170.00016.37
7.2.100.0110.00716.29
7.2.90.0110.00716.57
7.2.80.0040.01416.93
7.2.70.0110.01116.74
7.2.60.0070.01016.75
7.2.50.0070.00716.68
7.2.40.0110.01016.63
7.2.30.0000.01716.55
7.2.20.0030.01616.59
7.2.10.0090.00916.29
7.2.00.0050.01118.28
7.1.250.0030.01215.70
7.1.100.0040.00818.20
7.1.70.0050.01317.14
7.1.60.0240.01035.10
7.1.50.0250.01235.02
7.1.40.0160.02134.42
7.1.30.0240.01334.58
7.1.20.0290.01034.71
7.1.10.0060.01216.68
7.1.00.0010.00316.82
7.0.200.0040.01416.73
7.0.190.0060.01216.74
7.0.180.0090.00816.47
7.0.170.0050.01216.52
7.0.160.0030.01616.20
7.0.150.0080.01216.25
7.0.140.0100.00816.65
7.0.130.0000.01716.73
7.0.120.0040.01416.60
7.0.110.0060.01016.45
7.0.100.0060.01216.43
7.0.90.0040.01616.34
7.0.80.0150.01716.57
7.0.70.0060.00816.32
7.0.60.0020.01616.10
7.0.50.0090.00916.56
7.0.40.0060.01216.59
7.0.30.0060.01216.43
7.0.20.0080.01016.71
7.0.10.0060.00916.38
7.0.00.0040.01216.52

preferences:
36.09 ms | 401 KiB | 5 Q