3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = 'yyyy'; $pattern = preg_replace(['/y/', "/'.*'/", '/\./', '/,/'], '', $pattern); var_dump($pattern);

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)
8.3.60.0040.01518.46
8.3.50.0140.00821.97
8.3.40.0140.00018.88
8.3.30.0110.00418.95
8.3.20.0080.00020.20
8.3.10.0040.00421.73
8.3.00.0060.00319.37
8.2.180.0040.01418.54
8.2.170.0070.00722.96
8.2.160.0070.00722.21
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00726.16
8.2.120.0060.00319.77
8.2.110.0060.00319.33
8.2.100.0090.00317.63
8.2.90.0030.00619.22
8.2.80.0080.00017.97
8.2.70.0050.00517.75
8.2.60.0030.00517.80
8.2.50.0000.00818.07
8.2.40.0080.00019.94
8.2.30.0070.00017.89
8.2.20.0070.00017.63
8.2.10.0030.00618.06
8.2.00.0040.00417.89
8.1.280.0070.01725.92
8.1.270.0030.00618.58
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0100.00022.02
8.1.230.0040.00817.52
8.1.220.0040.00417.76
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0030.00517.25
8.1.180.0050.00318.10
8.1.170.0050.00320.48
8.1.160.0040.00421.96
8.1.150.0040.00418.84
8.1.140.0040.00417.56
8.1.130.0030.00317.88
8.1.120.0000.00717.43
8.1.110.0000.00917.50
8.1.100.0070.00017.51
8.1.90.0030.00417.55
8.1.80.0040.00417.40
8.1.70.0030.00317.50
8.1.60.0000.00817.53
8.1.50.0080.00017.61
8.1.40.0000.00817.52
8.1.30.0090.00017.78
8.1.20.0080.00017.64
8.1.10.0000.00817.44
8.1.00.0000.00817.51
8.0.300.0030.00518.77
8.0.290.0050.00316.75
8.0.280.0000.00718.44
8.0.270.0030.00317.19
8.0.260.0060.00017.20
8.0.250.0030.00316.97
8.0.240.0000.00716.90
8.0.230.0000.00716.90
8.0.220.0000.00816.86
8.0.210.0000.00716.86
8.0.200.0030.00317.02
8.0.190.0000.00916.93
8.0.180.0000.00717.00
8.0.170.0070.00017.00
8.0.160.0030.00316.99
8.0.150.0050.00216.92
8.0.140.0040.00416.94
8.0.130.0000.00613.45
8.0.120.0000.00816.84
8.0.110.0040.00416.88
8.0.100.0030.00516.93
8.0.90.0040.00417.03
8.0.80.0070.01616.92
8.0.70.0040.00417.03
8.0.60.0050.00216.85
8.0.50.0000.00716.86
8.0.30.0130.00717.11
8.0.20.0120.00917.40
8.0.10.0000.00716.96
8.0.00.0090.01216.91
7.4.330.0000.00515.11
7.4.320.0030.00316.56
7.4.300.0000.00716.49
7.4.290.0000.00716.76
7.4.280.0060.00316.63
7.4.270.0000.00716.57
7.4.260.0080.00016.55
7.4.250.0030.00516.73
7.4.240.0030.00516.64
7.4.230.0040.00416.67
7.4.220.0120.00616.66
7.4.210.0040.01116.64
7.4.200.0040.00416.84
7.4.160.0030.01316.68
7.4.150.0170.01017.40
7.4.140.0120.00617.86
7.4.130.0190.01816.58
7.4.120.0050.01316.57
7.4.110.0070.01116.65
7.4.100.0130.00716.59
7.4.90.0150.00316.31
7.4.80.0150.00719.39
7.4.70.0030.01816.52
7.4.60.0090.00916.64
7.4.50.0030.00316.50
7.4.40.0090.00616.36
7.4.30.0090.01216.56
7.4.00.0080.00715.06
7.3.330.0000.00613.03
7.3.320.0080.00813.11
7.3.310.0070.00016.21
7.3.300.0000.00716.32
7.3.290.0060.01116.27
7.3.280.0110.00716.31
7.3.270.0080.00817.40
7.3.260.0130.00616.29
7.3.250.0090.00816.44
7.3.240.0170.00016.20
7.3.230.0200.00316.57
7.3.210.0140.00316.75
7.3.200.0030.01419.39
7.3.190.0100.01016.50
7.3.180.0100.00616.59
7.3.170.0070.01016.27
7.3.160.0140.00316.40
7.3.120.0080.00814.73
7.3.110.0060.01014.84
7.3.100.0090.00614.64
7.3.90.0150.00314.81
7.3.80.0070.00715.07
7.3.70.0110.00314.88
7.3.60.0080.00814.70
7.3.50.0000.01114.88
7.3.40.0040.00414.87
7.3.30.0060.00314.86
7.3.20.0070.00316.61
7.3.10.0090.00616.66
7.3.00.0120.00016.45
7.2.330.0060.01216.54
7.2.320.0080.00816.63
7.2.310.0090.01616.68
7.2.300.0030.02116.80
7.2.290.0160.00316.84
7.2.250.0100.01014.98
7.2.240.0130.00714.98
7.2.230.0090.00614.96
7.2.220.0030.00615.00
7.2.210.0090.00315.29
7.2.200.0070.01015.19
7.2.190.0070.01415.05
7.2.180.0030.00714.83
7.2.170.0090.00415.08
7.2.00.0000.01118.79
7.1.330.0030.01016.06
7.1.320.0030.01315.89
7.1.310.0070.00316.14
7.1.300.0100.01015.68
7.1.290.0000.01015.88
7.1.280.0000.01515.92
7.1.270.0110.00415.66
7.1.260.0030.00815.98
7.1.100.0120.00418.35
7.1.70.0000.00717.26
7.1.60.0000.02419.50
7.1.50.0110.01516.96
7.1.00.0130.06722.50
7.0.200.0070.00316.82
7.0.140.0070.07021.96
7.0.60.0070.09019.95
7.0.50.0000.07017.84
7.0.40.0070.06019.92
7.0.30.0400.07020.11
7.0.20.0370.07720.10
7.0.10.0430.05720.03
7.0.00.0070.06320.14
5.6.210.0030.08320.54
5.6.200.0070.08718.13
5.6.190.0030.04320.63
5.6.180.0070.05020.33
5.6.170.0270.04020.44
5.6.160.0130.08020.33
5.6.150.0000.05018.18
5.6.140.0070.03318.21
5.6.130.0070.07718.18
5.6.120.0030.05021.09
5.6.110.0070.07721.10
5.6.100.0130.07321.12
5.6.90.0170.07721.07
5.6.80.0030.08320.35
5.6.70.0170.07020.35
5.5.350.0130.08720.48
5.5.340.0030.05017.99
5.5.330.0100.03720.07
5.5.320.0030.05320.23
5.5.310.0330.05320.30
5.5.300.0070.07317.92
5.5.290.0030.05317.96
5.5.280.0100.08320.87
5.5.270.0030.07320.76
5.5.260.0070.08320.86
5.5.250.0070.08320.70
5.5.240.0100.08020.34
5.4.450.0200.05319.52
5.4.440.0870.06719.47
5.4.430.1000.05719.24
5.4.420.0770.06319.47
5.4.410.0430.07719.33
5.4.400.0200.05318.46
5.4.390.0300.04318.65
5.4.380.0170.05718.65
5.4.370.0230.05718.54
5.4.360.0270.05718.55
5.4.350.0230.07718.49
5.4.340.0200.05318.46
5.4.320.0130.06318.66
5.4.310.0170.06018.46
5.4.300.0300.04018.51
5.4.290.0200.05018.65
5.4.280.0200.05718.64
5.4.270.0200.05018.54
5.4.260.0200.05018.61
5.4.250.0230.05718.71
5.4.240.0300.04718.64
5.4.230.0200.06018.41
5.4.220.0300.04318.61
5.4.210.0170.05318.72
5.4.200.0100.06716.52
5.4.190.0270.04018.69
5.4.180.0230.05018.61
5.4.170.0200.05318.45
5.4.160.0200.05318.71
5.4.150.0470.04318.63
5.4.140.0200.05316.29
5.4.130.0200.06016.32
5.4.120.0130.05316.32
5.4.110.0170.05016.09
5.4.100.0170.05316.21
5.4.90.0130.06016.07
5.4.80.0200.05716.16
5.4.70.0300.04016.11
5.4.60.0200.05716.00
5.4.50.0230.04016.11
5.4.40.0100.05716.11
5.4.30.0100.05316.20
5.4.20.0170.05016.14
5.4.10.0130.05316.21
5.4.00.0130.05015.63
5.3.290.0270.04714.62
5.3.280.0230.05714.56
5.3.270.0200.05714.65
5.3.260.0200.05314.48
5.3.250.0130.06014.68
5.3.240.0170.06014.66
5.3.230.0330.04314.54
5.3.220.0330.04714.53
5.3.210.0170.06014.51
5.3.200.0200.05714.51
5.3.190.0270.04714.65
5.3.180.0230.05714.56
5.3.170.0230.04714.53
5.3.160.0300.04314.55
5.3.150.0300.04314.53
5.3.140.0270.05014.48
5.3.130.0330.05314.41
5.3.120.0170.05714.61
5.3.110.0130.05714.43
5.3.100.0370.03313.98
5.3.90.0200.06013.99
5.3.80.0170.06714.09
5.3.70.0300.04313.99
5.3.60.0200.05713.93
5.3.50.0130.06013.92
5.3.40.0070.06713.89
5.3.30.0200.04713.86
5.3.20.0130.06013.70
5.3.10.0200.04713.63
5.3.00.0170.05013.55
5.2.170.0200.03311.05
5.2.160.0070.05311.17
5.2.150.0130.04711.11
5.2.140.0270.03311.08
5.2.130.0230.03011.22
5.2.120.0200.03711.04
5.2.110.0270.03011.01
5.2.100.0170.03711.13
5.2.90.0130.04311.13
5.2.80.0100.04711.00
5.2.70.0130.04311.07
5.2.60.0100.05310.99
5.2.50.0130.04710.98
5.2.40.0200.05010.97
5.2.30.0130.04310.91
5.2.20.0070.05010.95
5.2.10.0200.05010.78
5.2.00.0230.05010.72
5.1.60.0030.04310.02
5.1.50.0100.04010.01
5.1.40.0130.03710.00
5.1.30.0200.04310.36
5.1.20.0170.05010.44
5.1.10.0230.04310.09
5.1.00.0270.03710.11
5.0.50.0100.0308.56
5.0.40.0030.0338.44
5.0.30.0130.0438.28
5.0.20.0030.0378.29
5.0.10.0100.0308.34
5.0.00.0300.0408.32
4.4.90.0100.0205.82
4.4.80.0100.0205.90
4.4.70.0200.0235.88
4.4.60.0070.0205.89
4.4.50.0070.0205.91
4.4.40.0070.0475.89
4.4.30.0070.0205.82
4.4.20.0100.0235.93
4.4.10.0100.0275.95
4.4.00.0100.0305.84
4.3.110.0030.0235.87
4.3.100.0030.0235.74
4.3.90.0100.0175.81
4.3.80.0100.0305.79
4.3.70.0130.0135.86
4.3.60.0070.0235.79
4.3.50.0070.0205.93
4.3.40.0100.0305.78
4.3.30.0070.0204.72
4.3.20.0000.0304.72
4.3.10.0170.0204.72
4.3.00.0030.0207.19

preferences:
55.4 ms | 401 KiB | 5 Q