3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^\d+$/', "123")); var_dump(preg_match('/^\d+$/', "123\n")); var_dump(preg_match('/^\d+$/', "\n123\n")); echo "---------\n"; var_dump(preg_match('/^\d+$/D', "123")); var_dump(preg_match('/^\d+$/D', "123\n")); var_dump(preg_match('/^\d+$/D', "\n123\n"));

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
8.3.50.0100.00722.15
8.3.40.0070.00719.02
8.3.30.0150.00619.04
8.3.20.0040.00420.29
8.3.10.0040.00421.73
8.3.00.0080.00019.51
8.2.180.0110.00718.41
8.2.170.0110.00422.96
8.2.160.0040.01122.11
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0030.00626.16
8.2.120.0000.00819.11
8.2.110.0080.00322.19
8.2.100.0040.00717.63
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0040.00417.90
8.2.50.0040.00418.07
8.2.40.0040.00419.76
8.2.30.0000.00717.94
8.2.20.0000.00717.76
8.2.10.0000.00817.92
8.2.00.0000.00717.70
8.1.280.0100.00725.92
8.1.270.0030.00618.70
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.83
8.1.230.0090.00317.48
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0000.00917.23
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0050.00318.78
8.1.160.0050.00321.96
8.1.150.0040.00418.65
8.1.140.0040.00417.51
8.1.130.0070.00017.73
8.1.120.0000.00717.50
8.1.110.0040.00417.43
8.1.100.0000.00817.43
8.1.90.0030.00517.40
8.1.80.0000.00717.47
8.1.70.0030.00317.50
8.1.60.0030.00617.66
8.1.50.0030.00617.55
8.1.40.0040.00817.53
8.1.30.0040.00417.57
8.1.20.0040.00417.67
8.1.10.0050.00317.49
8.1.00.0000.00817.56
8.0.300.0030.00518.77
8.0.290.0000.00716.63
8.0.280.0000.00718.26
8.0.270.0030.00317.24
8.0.260.0000.00717.21
8.0.250.0030.00316.95
8.0.240.0000.00816.85
8.0.230.0000.00716.85
8.0.220.0070.00016.95
8.0.210.0070.00016.86
8.0.200.0030.00317.00
8.0.190.0000.00816.93
8.0.180.0060.00316.95
8.0.170.0030.00516.91
8.0.160.0000.00716.81
8.0.150.0030.00316.75
8.0.140.0000.00716.75
8.0.130.0000.00713.37
8.0.120.0050.00216.75
8.0.110.0040.00416.88
8.0.100.0000.00716.77
8.0.90.0040.00416.95
8.0.80.0030.02116.86
8.0.70.0070.00016.73
8.0.60.0000.00816.99
8.0.50.0000.00716.81
8.0.30.0120.01216.89
8.0.20.0140.00717.43
8.0.10.0060.00317.01
8.0.00.0100.00916.86
7.4.330.0050.00015.05
7.4.320.0000.00616.67
7.4.300.0070.00016.58
7.4.290.0030.00616.59
7.4.280.0050.00316.66
7.4.270.0030.00316.65
7.4.260.0000.00816.63
7.4.250.0050.00316.46
7.4.240.0000.00716.66
7.4.230.0070.00016.65
7.4.220.0190.01016.71
7.4.210.0050.01016.69
7.4.200.0030.00316.69
7.4.160.0060.01016.66
7.4.150.0150.01017.40
7.4.140.0150.00517.86
7.4.130.0120.00416.63
7.4.120.0060.01216.47
7.4.110.0050.01416.51
7.4.100.0070.01016.57
7.4.90.0090.01316.57
7.4.80.0070.01019.39
7.4.70.0060.00916.38
7.4.60.0060.01516.71
7.4.50.0000.00816.48
7.4.40.0060.01216.30
7.4.30.0140.00716.54
7.4.00.0080.00714.80
7.3.330.0030.00313.02
7.3.320.0000.01413.16
7.3.310.0070.00016.21
7.3.300.0000.00716.31
7.3.290.0030.00316.26
7.3.280.0130.00516.27
7.3.270.0410.03017.40
7.3.260.0030.01316.30
7.3.250.0110.00916.32
7.3.240.0070.01016.68
7.3.230.0110.00716.72
7.3.210.0100.00716.42
7.3.200.0170.00019.39
7.3.190.0040.01116.29
7.3.180.0140.00316.32
7.3.170.0060.01716.40
7.3.160.0070.01016.49
7.3.120.0070.01014.67
7.3.110.0070.01014.80
7.3.100.0110.00314.81
7.3.90.0030.01214.89
7.3.80.0140.00014.48
7.3.70.0030.01014.82
7.3.60.0070.00714.96
7.3.50.0090.00314.94
7.3.40.0030.01014.84
7.3.30.0030.01014.73
7.3.20.0070.00716.66
7.3.10.0030.01416.48
7.3.00.0040.01116.54
7.2.330.0070.01116.49
7.2.320.0030.01316.63
7.2.310.0110.00816.65
7.2.300.0030.01316.59
7.2.290.0000.01716.61
7.2.250.0080.00914.88
7.2.240.0060.01015.02
7.2.230.0070.01015.16
7.2.220.0060.01114.91
7.2.210.0040.01414.96
7.2.200.0040.01115.27
7.2.190.0030.01415.22
7.2.180.0060.00914.66
7.2.170.0000.01215.13
7.2.60.0000.01317.08
7.2.00.0030.01219.17
7.1.330.0090.00315.98
7.1.320.0050.00516.06
7.1.310.0090.00915.88
7.1.300.0000.01315.70
7.1.290.0100.00315.58
7.1.280.0070.00715.56
7.1.270.0030.01015.70
7.1.260.0000.01415.58
7.1.200.0080.00315.62
7.1.100.0000.01118.14
7.1.70.0080.00017.20
7.1.60.0100.01419.50
7.1.50.0130.01734.98
7.1.00.0100.07022.49
7.0.200.0230.00016.45
7.0.140.0030.07722.13
7.0.60.0030.04020.03
7.0.50.0030.04717.84
7.0.40.0100.06020.02
7.0.30.0430.05320.04
7.0.20.0230.08020.19
7.0.10.0300.04720.19
7.0.00.0130.08020.23
5.6.280.0030.07320.92
5.6.210.0130.07020.74
5.6.200.0130.06718.17
5.6.190.0000.04320.45
5.6.180.0200.04020.54
5.6.170.0230.09020.27
5.6.160.0000.04320.54
5.6.150.0130.03018.12
5.6.140.0100.06018.18
5.6.130.0070.08018.18
5.6.120.0070.05320.95
5.6.110.0100.09320.98
5.6.100.0130.07321.00
5.6.90.0100.06321.09
5.6.80.0070.08320.51
5.6.70.0170.03720.34
5.5.350.0100.06320.41
5.5.340.0030.04017.96
5.5.330.0100.07720.19
5.5.320.0070.09020.40
5.5.310.0270.06320.16
5.5.300.0030.08317.91
5.5.290.0000.07317.92
5.5.280.0170.07020.88
5.5.270.0100.06720.89
5.5.260.0130.07320.86
5.5.250.0070.03720.76
5.5.240.0130.05720.07
5.4.450.0070.06719.45
5.4.440.0930.08019.49
5.4.430.0930.05019.46
5.4.420.0430.05019.48
5.4.410.0700.05719.00
5.4.400.0100.06718.75
5.4.390.0300.06718.77
5.4.380.0200.06318.58
5.4.370.0300.04718.74
5.4.360.0400.03318.46
5.4.350.0170.06318.66
5.4.340.0200.06018.63
5.4.320.0200.05718.55
5.4.310.0300.04718.77
5.4.300.0230.05018.71
5.4.290.0230.06018.46
5.4.280.0330.06718.52
5.4.270.0200.05318.58
5.4.260.0170.05718.59
5.4.250.0130.06318.58
5.4.240.0230.05718.64
5.4.230.0400.05318.57
5.4.220.0300.04718.61
5.4.210.0200.05318.61
5.4.200.0170.05316.64
5.4.190.0230.05318.66
5.4.180.0170.05718.61
5.4.170.0200.06318.70
5.4.160.0170.05318.47
5.4.150.0230.05318.56
5.4.140.0300.04316.23
5.4.130.0200.05016.22
5.4.120.0230.05016.31
5.4.110.0270.06316.04
5.4.100.0230.07016.23
5.4.90.0200.06716.14
5.4.80.0270.05316.12
5.4.70.0270.07016.13
5.4.60.0170.06016.13
5.4.50.0270.04316.00
5.4.40.0230.06016.13
5.4.30.0170.05316.18
5.4.20.0170.05716.02
5.4.10.0300.04016.05
5.4.00.0200.05315.49
5.3.290.0230.06014.59
5.3.280.0270.05014.50
5.3.270.0270.05014.51
5.3.260.0230.05014.52
5.3.250.0200.05714.62
5.3.240.0130.06014.59
5.3.230.0370.03714.50
5.3.220.0100.06014.48
5.3.210.0230.05314.46
5.3.200.0170.05714.60
5.3.190.0170.06314.55
5.3.180.0270.04714.55
5.3.170.0300.06314.66
5.3.160.0200.05714.47
5.3.150.0300.04714.66
5.3.140.0200.05314.65
5.3.130.0200.05714.64
5.3.120.0300.05314.52
5.3.110.0270.05014.57
5.3.100.0130.06013.96
5.3.90.0270.04314.05
5.3.80.0200.05313.94
5.3.70.0200.05013.89
5.3.60.0130.05714.07
5.3.50.0230.04713.92
5.3.40.0200.05013.91
5.3.30.0100.06013.90
5.3.20.0170.05313.79
5.3.10.0170.05013.60
5.3.00.0170.05313.61
5.2.170.0130.05011.18
5.2.160.0170.03711.09
5.2.150.0230.03311.11
5.2.140.0030.05311.31
5.2.130.0230.03711.15
5.2.120.0170.03711.06
5.2.110.0330.02311.07
5.2.100.0230.03011.14
5.2.90.0170.04011.26
5.2.80.0130.05711.10
5.2.70.0130.04711.08
5.2.60.0230.04711.05
5.2.50.0130.04711.02
5.2.40.0170.04010.91
5.2.30.0170.03710.93
5.2.20.0230.03011.02
5.2.10.0230.03010.90
5.2.00.0270.03710.80
5.1.60.0170.0309.95
5.1.50.0130.03710.03
5.1.40.0130.0509.95
5.1.30.0130.03710.30
5.1.20.0170.03310.32
5.1.10.0130.03710.10
5.1.00.0030.05010.13
5.0.50.0100.0278.61
5.0.40.0130.0238.54
5.0.30.0000.0538.34
5.0.20.0070.0308.30
5.0.10.0100.0278.26
5.0.00.0070.0438.34
4.4.90.0100.0207.44
4.4.80.0130.0177.44
4.4.70.0100.0207.44
4.4.60.0130.0177.44
4.4.50.0070.0237.44
4.4.40.0070.0377.44
4.4.30.0070.0237.44
4.4.20.0070.0237.44
4.4.10.0030.0277.44
4.4.00.0130.0277.44
4.3.110.0130.0177.44
4.3.100.0070.0237.44
4.3.90.0030.0237.44
4.3.80.0100.0337.44
4.3.70.0030.0277.44
4.3.60.0100.0207.44
4.3.50.0030.0307.44
4.3.40.0070.0437.44
4.3.30.0030.0237.44
4.3.20.0000.0277.44
4.3.10.0030.0237.44
4.3.00.0000.0277.01

preferences:
34.95 ms | 401 KiB | 5 Q