3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/^\w+$/u', '人1994', $m); var_dump($m);

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)
8.3.60.0090.01216.63
8.3.50.0070.00822.05
8.3.40.0040.01218.76
8.3.30.0040.01118.83
8.3.20.0080.00020.24
8.3.10.0080.00020.62
8.3.00.0070.00020.71
8.2.180.0080.00818.29
8.2.170.0070.00722.96
8.2.160.0060.00620.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00419.51
8.2.110.0030.00620.35
8.2.100.0070.00417.97
8.2.90.0030.00619.05
8.2.80.0040.00417.97
8.2.70.0030.00617.73
8.2.60.0080.00017.93
8.2.50.0000.00818.10
8.2.40.0000.00720.66
8.2.30.0030.00619.31
8.2.20.0080.00017.82
8.2.10.0070.00017.98
8.2.00.0090.00018.02
8.1.280.0070.01325.92
8.1.270.0080.00022.19
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0090.00023.63
8.1.230.0040.00721.03
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0030.00618.71
8.1.160.0000.00820.87
8.1.150.0000.00818.80
8.1.140.0040.00419.57
8.1.130.0040.00417.55
8.1.120.0000.00717.54
8.1.110.0000.00817.54
8.1.100.0040.00717.52
8.1.90.0090.00017.55
8.1.80.0000.00717.43
8.1.70.0000.00717.53
8.1.60.0040.00717.51
8.1.50.0050.00317.51
8.1.40.0050.00317.50
8.1.30.0000.00817.51
8.1.20.0030.00517.70
8.1.10.0000.00817.59
8.1.00.0040.00417.54
8.0.300.0060.00318.96
8.0.290.0000.00716.75
8.0.280.0030.00318.40
8.0.270.0030.00316.98
8.0.260.0000.00817.21
8.0.250.0030.00317.02
8.0.240.0080.00017.05
8.0.230.0050.00317.11
8.0.220.0000.00716.98
8.0.210.0050.00216.99
8.0.200.0030.00317.05
8.0.190.0040.00417.10
8.0.180.0040.00417.06
8.0.170.0000.00817.05
8.0.160.0040.00417.14
8.0.150.0000.00716.88
8.0.140.0050.00316.89
8.0.130.0030.00313.44
8.0.120.0000.00817.02
8.0.110.0040.00417.08
8.0.100.0070.00016.84
8.0.90.0000.00716.94
8.0.80.0090.00617.02
8.0.70.0000.00716.81
8.0.60.0000.00717.05
8.0.50.0070.00017.02
8.0.30.0120.00717.17
8.0.20.0100.00917.40
8.0.10.0000.00817.05
8.0.00.0080.01016.80
7.4.330.0000.00515.08
7.4.320.0000.00616.58
7.4.300.0030.00316.63
7.4.290.0000.00716.66
7.4.280.0040.00416.70
7.4.270.0030.00316.80
7.4.260.0040.00416.53
7.4.250.0050.00316.55
7.4.240.0070.00016.79
7.4.230.0000.00716.79
7.4.220.0220.00016.78
7.4.210.0110.00516.58
7.4.200.0040.00416.45
7.4.160.0140.00316.50
7.4.150.0110.00617.40
7.4.140.0070.01217.86
7.4.130.0110.00616.49
7.4.120.0070.00916.64
7.4.110.0030.01316.64
7.4.100.0120.00616.73
7.4.90.0080.01316.67
7.4.80.0170.00619.39
7.4.70.0080.00816.55
7.4.60.0100.00716.52
7.4.50.0040.01116.18
7.4.40.0130.00616.67
7.4.30.0160.00016.50
7.4.00.0060.00914.86
7.3.330.0050.00013.18
7.3.320.0000.00513.23
7.3.310.0040.00416.40
7.3.300.0030.00316.20
7.3.290.0040.01116.35
7.3.280.0120.00716.33
7.3.270.0140.00417.40
7.3.260.0070.01016.41
7.3.250.0100.00916.41
7.3.240.0040.01516.43
7.3.230.0060.00916.39
7.3.210.0120.00916.37
7.3.200.0100.01116.38
7.3.190.0090.01316.53
7.3.180.0090.00616.51
7.3.170.0150.00316.57
7.3.160.0090.00916.38
7.3.10.0050.00916.71
7.3.00.0070.00616.75
7.2.330.0110.00616.50
7.2.320.0110.00716.52
7.2.310.0100.00716.66
7.2.300.0060.01216.66
7.2.290.0030.01316.55
7.2.130.0020.00816.81
7.2.120.0080.00316.93
7.2.110.0100.00716.85
7.2.100.0050.00716.79
7.2.90.0050.00716.94
7.2.80.0090.00516.79
7.2.70.0020.00916.79
7.2.60.0050.00916.93
7.2.50.0070.00716.85
7.2.40.0070.00816.70
7.2.30.0020.01216.93
7.2.20.0060.00616.86
7.2.10.0060.00716.86
7.2.00.0040.00917.64
7.1.250.0030.01115.99
7.1.200.0090.00416.01
7.1.100.0030.01418.11
7.1.70.0000.00817.05
7.1.60.0090.00919.23
7.1.00.0000.07722.34
7.0.200.0000.00916.47
7.0.70.0030.05021.61
7.0.60.0070.04721.66
7.0.50.0070.07722.09
7.0.40.0070.04720.08
7.0.30.0070.08320.11
7.0.20.0000.05720.11
7.0.10.0000.07320.13
7.0.00.0000.04320.17
5.6.280.0000.07720.89
5.6.220.0030.04020.61
5.6.210.0030.04020.51
5.6.200.0030.05320.95
5.6.190.0000.07021.04
5.6.180.0000.08321.02
5.6.170.0030.04020.93
5.6.160.0100.03321.07
5.6.150.0070.04321.02
5.6.140.0030.04321.10
5.6.130.0000.04321.01
5.6.120.0000.04721.00
5.6.110.0030.04021.04
5.6.100.0000.04320.95
5.6.90.0030.04021.09
5.6.80.0000.04020.49
5.6.70.0030.04320.47
5.6.60.0030.07020.38
5.6.50.0100.06720.41
5.6.40.0070.07020.37
5.6.30.0000.08320.43
5.6.20.0070.06720.40
5.6.10.0000.07720.48
5.6.00.0000.07020.38
5.5.360.0000.07020.27
5.5.350.0030.06720.40
5.5.340.0030.08320.92
5.5.330.0030.05720.83
5.5.320.0000.05720.79
5.5.310.0100.06320.80
5.5.300.0000.05320.72
5.5.290.0030.06320.77
5.5.280.0030.04720.72
5.5.270.0000.06020.86
5.5.260.0030.05720.88
5.5.250.0030.03720.59
5.5.240.0030.05720.21
5.5.230.0000.06020.27
5.5.220.0000.07720.29
5.5.210.0070.06720.24
5.5.200.0030.06320.21
5.5.190.0030.05720.02
5.5.180.0030.07720.26
5.5.160.0000.06720.13
5.5.150.0100.07020.16
5.5.140.0100.06020.21
5.5.130.0170.06020.25
5.5.120.0030.07020.20
5.5.110.0070.05720.09
5.5.100.0030.04020.16
5.5.90.0000.04020.00
5.5.80.0030.05020.05
5.5.70.0070.05019.95
5.5.60.0030.06320.04
5.5.50.0100.05719.99
5.5.40.0070.07019.95
5.5.30.0030.07720.05
5.5.20.0030.08020.12
5.5.10.0070.07320.01
5.5.00.0100.07320.08
5.4.450.0030.04719.50
5.4.440.0000.04319.29
5.4.430.0030.04019.13
5.4.420.0070.03719.36
5.4.410.0030.03319.31
5.4.400.0000.05019.03
5.4.390.0000.06718.95
5.4.380.0030.03718.81
5.4.370.0070.07319.03
5.4.360.0000.08319.00
5.4.350.0030.05319.12
5.4.340.0070.06719.08
5.4.320.0030.03719.12
5.4.310.0030.08019.05
5.4.300.0100.07318.78
5.4.290.0000.07718.89
5.4.280.0000.06719.02
5.4.270.0000.04719.05
5.4.260.0000.04318.80
5.4.250.0100.03019.02
5.4.240.0030.04718.94
5.4.230.0000.07318.99
5.4.220.0000.04718.96
5.4.210.0000.07018.96
5.4.200.0000.08018.94
5.4.190.0000.04719.07
5.4.180.0030.04319.00
5.4.170.0100.06718.80
5.4.160.0070.05718.79
5.4.150.0070.04318.79
5.4.140.0100.06016.22
5.4.130.0070.06716.25
5.4.120.0030.07316.25
5.4.110.0030.07716.36
5.4.100.0100.04016.33
5.4.90.0070.07316.25
5.4.80.0100.06016.43
5.4.70.0030.05716.36
5.4.60.0030.04016.32
5.4.50.0030.05016.18
5.4.40.0100.07316.35
5.4.30.0000.05316.33
5.4.20.0030.06716.37
5.4.10.0000.05716.37
5.4.00.0000.06015.59
5.3.290.0070.08014.57
5.3.280.0000.03714.41
5.3.270.0030.06714.46
5.3.260.0070.06714.60
5.3.250.0070.07314.56
5.3.240.0000.07714.54
5.3.230.0070.06014.59
5.3.220.0000.07014.52
5.3.210.0070.04714.52
5.3.200.0100.06014.56
5.3.190.0100.04014.38
5.3.180.0030.07314.46
5.3.170.0000.07314.38
5.3.160.0030.07014.42
5.3.150.0030.04314.54
5.3.140.0070.03714.41
5.3.130.0030.06714.36
5.3.120.0000.08014.50
5.3.110.0030.06014.40
5.3.100.0030.05013.99
5.3.90.0000.07013.88
5.3.80.0030.05014.00
5.3.70.0000.07713.95
5.3.60.0070.06713.75
5.3.50.0070.05713.80
5.3.40.0070.06713.75
5.3.30.0030.05313.86
5.3.20.0030.06313.70
5.3.10.0070.06013.63
5.3.00.0000.06013.50
5.2.170.0030.05311.80
5.2.160.0000.06311.80
5.2.150.0030.04311.80
5.2.140.0000.04711.80
5.2.130.0000.06011.80
5.2.120.0000.05011.80
5.2.110.0000.04711.80
5.2.100.0100.04311.80
5.2.90.0000.06311.80
5.2.80.0030.05011.80
5.2.70.0030.03711.80
5.2.60.0030.04711.80
5.2.50.0030.05011.80
5.2.40.0070.05711.80
5.2.30.0070.05311.80
5.2.20.0030.05711.80
5.2.10.0070.04011.80
5.2.00.0030.06011.80
5.1.60.0030.04711.80
5.1.50.0030.04711.80
5.1.40.0030.05011.80
5.1.30.0000.04011.80
5.1.20.0030.03011.80
5.1.10.0030.04011.80
5.1.00.0000.05711.80
5.0.50.0000.05011.80
5.0.40.0000.04711.80
5.0.30.0030.05311.80
5.0.20.0100.02711.80
5.0.10.0030.04311.80
5.0.00.0000.06311.80
4.4.90.0000.03711.80
4.4.80.0000.02311.80
4.4.70.0030.02311.80
4.4.60.0000.02711.80
4.4.50.0000.03711.80
4.4.40.0000.05311.80
4.4.30.0000.02711.80
4.4.20.0000.03711.80
4.4.10.0030.03011.80
4.4.00.0000.05011.80
4.3.110.0030.03011.80
4.3.100.0000.02011.80
4.3.90.0000.02311.80
4.3.80.0030.05311.80
4.3.70.0000.03311.80
4.3.60.0000.03011.80
4.3.50.0030.03311.80
4.3.40.0000.05711.80
4.3.30.0000.03711.80
4.3.20.0030.02311.80
4.3.10.0000.03311.80
4.3.00.0000.03311.80

preferences:
58.42 ms | 401 KiB | 5 Q