3v4l.org

run code in 300+ PHP versions simultaneously
<? $x = 'bob'; echo preg_match('[0-9a-zA-Z]', $x); echo preg_match('~[0-9a-zA-Z]~', $x); echo preg_match('~[0-9a-zA-Z]+~', $x); echo $x; ?>

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)
8.3.60.0040.01118.18
8.3.50.0150.00521.09
8.3.40.0140.00018.82
8.3.30.0100.00318.83
8.3.20.0040.00420.22
8.3.10.0080.00023.66
8.3.00.0080.00019.13
8.2.180.0120.00316.63
8.2.170.0110.01122.96
8.2.160.0100.00720.47
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0000.00722.23
8.2.110.0000.01020.54
8.2.100.0040.00817.72
8.2.90.0060.00317.83
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0050.00317.91
8.2.50.0080.00018.07
8.2.40.0060.00319.92
8.2.30.0070.00017.92
8.2.20.0070.00017.48
8.2.10.0000.00717.86
8.2.00.0040.00417.41
8.1.280.0100.00325.92
8.1.270.0090.00023.79
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00022.21
8.1.230.0040.00720.89
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0050.00316.97
8.1.180.0060.00318.10
8.1.170.0100.00018.46
8.1.160.0040.00421.94
8.1.150.0070.00018.74
8.1.140.0040.00417.26
8.1.130.0030.00317.66
8.1.120.0040.00417.22
8.1.110.0030.00517.32
8.1.100.0030.00417.20
8.1.90.0000.00717.31
8.1.80.0050.00217.31
8.1.70.0030.00317.30
8.1.60.0040.00417.42
8.1.50.0040.00417.29
8.1.40.0000.00817.27
8.1.30.0040.00417.55
8.1.20.0040.00417.55
8.1.10.0040.00417.30
8.1.00.0050.00317.34
8.0.300.0000.00720.16
8.0.290.0040.00416.58
8.0.280.0030.00318.35
8.0.270.0030.00317.13
8.0.260.0030.00317.24
8.0.250.0030.00316.81
8.0.240.0030.00316.84
8.0.230.0070.00016.82
8.0.220.0050.00216.68
8.0.210.0070.00016.84
8.0.200.0000.00816.78
8.0.190.0040.00416.81
8.0.180.0000.00816.73
8.0.170.0040.00416.75
8.0.160.0000.00716.71
8.0.150.0030.00316.68
8.0.140.0040.00416.75
8.0.130.0000.00613.39
8.0.120.0040.00416.68
8.0.110.0000.00816.79
8.0.100.0030.00316.78
8.0.90.0040.00416.75
8.0.80.0090.00616.63
8.0.70.0040.00416.71
8.0.60.0030.00316.76
8.0.50.0000.00716.63
8.0.30.0100.01317.07
8.0.20.0030.01717.40
8.0.10.0040.00416.76
8.0.00.0100.00716.52
7.4.330.0020.00215.02
7.4.320.0000.00616.46
7.4.300.0000.00616.25
7.4.290.0000.00816.45
7.4.280.0000.00816.48
7.4.270.0040.00416.36
7.4.260.0050.00216.38
7.4.250.0040.00416.41
7.4.240.0050.00216.43
7.4.230.0000.00716.28
7.4.220.0100.01016.46
7.4.210.0070.00716.30
7.4.200.0070.00016.46
7.4.160.0100.00716.25
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0040.01216.39
7.4.120.0070.01116.23
7.4.110.0100.00816.34
7.4.100.0090.00916.39
7.4.90.0120.00916.54
7.4.80.0120.00819.39
7.4.70.0100.00716.51
7.4.60.0090.00916.33
7.4.50.0000.00916.31
7.4.40.0110.00516.43
7.4.30.0070.01016.44
7.4.00.0100.00714.74
7.3.330.0000.00613.10
7.3.320.0030.00313.25
7.3.310.0000.00616.01
7.3.300.0030.00316.16
7.3.290.0040.01216.14
7.3.280.0100.00716.09
7.3.270.0110.01117.40
7.3.260.0190.00016.29
7.3.250.0080.00816.32
7.3.240.0130.00316.09
7.3.230.0090.00916.39
7.3.210.0070.01016.25
7.3.200.0100.00719.39
7.3.190.0060.01516.25
7.3.180.0120.00316.30
7.3.170.0120.00316.27
7.3.160.0100.00616.45
7.3.120.0120.01514.66
7.3.110.0030.00614.31
7.3.100.0100.00014.74
7.3.90.0030.00814.80
7.3.80.0070.00714.56
7.3.70.0080.00414.45
7.3.60.0030.00714.48
7.3.50.0000.01714.70
7.3.40.0070.00714.46
7.3.30.0070.01414.54
7.3.20.0040.01216.62
7.3.10.0060.00916.24
7.3.00.0090.00616.54
7.2.330.0080.00916.21
7.2.320.0070.01016.66
7.2.310.0100.00716.53
7.2.300.0170.00316.33
7.2.290.0110.01116.36
7.2.240.0030.01314.84
7.2.230.0000.01614.74
7.2.220.0110.00414.61
7.2.210.0110.00414.58
7.2.200.0050.00514.93
7.2.190.0080.00814.80
7.2.180.0090.00614.86
7.2.170.0060.01414.82
7.2.160.0040.01814.59
7.2.150.0060.00616.91
7.2.140.0030.01016.70
7.2.130.0110.00316.69
7.2.120.0110.00716.73
7.2.110.0070.01016.65
7.2.100.0070.01116.87
7.2.90.0100.00616.50
7.2.80.0000.01816.86
7.2.70.0040.01516.70
7.2.60.0100.00616.48
7.2.50.0040.00816.79
7.2.40.0110.00816.63
7.2.30.0060.01016.80
7.2.20.0060.01216.79
7.2.10.0090.00316.96
7.2.00.0040.01118.12
7.1.330.0060.00315.76
7.1.320.0110.00415.71
7.1.310.0030.00715.89
7.1.300.0040.00815.36
7.1.290.0060.00615.76
7.1.280.0090.00915.45
7.1.270.0040.01515.39
7.1.260.0060.00915.30
7.1.250.0060.01215.45
7.1.100.0040.00818.17
7.1.70.0040.00417.52
7.1.60.0070.01719.11
7.1.50.0040.02117.18
7.1.00.0030.07722.30
7.0.200.0100.00717.02
7.0.140.0000.07021.97
7.0.60.0100.08319.94
7.0.50.0070.07317.89
7.0.40.0200.05020.12
7.0.30.0230.07020.21
7.0.20.0230.04720.34
7.0.10.0330.06320.18
7.0.00.0030.08320.18
5.6.280.0000.07720.90
5.6.210.0100.04720.50
5.6.200.0070.07318.09
5.6.190.0070.08720.57
5.6.180.0030.06720.33
5.6.170.0370.08020.46
5.6.160.0030.09020.44
5.6.150.0030.04318.11
5.6.140.0100.05018.15
5.6.130.0030.04318.17
5.6.120.0200.07321.01
5.6.110.0100.08720.98
5.6.100.0000.07021.13
5.6.90.0170.07321.12
5.6.80.0000.07720.40
5.6.70.4470.03320.34
5.5.350.0070.06020.32
5.5.340.0070.08017.95
5.5.330.0130.04020.43
5.5.320.0230.04320.34
5.5.310.0170.08720.24
5.5.300.0030.06018.01
5.5.290.0130.08017.91
5.5.280.0070.08320.93
5.5.270.0030.06020.75
5.5.260.0100.07320.95
5.5.250.0100.06720.78
5.5.240.0170.04720.28
5.4.450.0670.06719.61
5.4.440.0800.06019.63
5.4.430.1000.05719.59
5.4.420.0670.00019.50
5.4.410.0630.00019.15
5.4.400.0630.00019.00
5.4.390.0630.00019.16
5.4.380.0630.00019.06
5.4.370.0630.00018.96
5.4.360.0600.00019.07
5.4.350.0630.00019.08
5.4.340.0050.03511.97
5.4.320.0050.03712.45
5.4.310.0040.03912.45
5.4.300.0040.04012.45
5.4.290.0060.04012.45
5.4.280.0050.03612.34
5.4.270.0010.04112.35
5.4.260.0040.04012.35
5.4.250.0050.03912.34
5.4.240.0070.03512.35
5.4.230.0070.04012.34
5.4.220.0060.03612.34
5.4.210.0040.04212.34
5.4.200.0040.05112.34
5.4.190.0070.03712.34
5.4.180.0020.04312.33
5.4.170.0090.03812.35
5.4.160.0070.04112.34
5.4.150.0050.03912.34
5.4.140.0060.03912.02
5.4.130.0060.04012.01
5.4.120.0080.04111.96
5.4.110.0050.04111.96
5.4.100.0070.04011.96
5.4.90.0040.04811.96
5.4.80.0070.04611.96
5.4.70.0060.03411.96
5.4.60.0070.03411.96
5.4.50.0080.03311.96
5.4.40.0050.04111.95
5.4.30.0020.03911.95
5.4.20.0070.03411.95
5.4.10.0090.03611.95
5.4.00.0050.04011.44
5.3.290.0060.03912.80
5.3.280.0060.03712.71
5.3.270.0070.03812.72
5.3.260.0050.04012.72
5.3.250.0070.03712.72
5.3.240.0040.03912.72
5.3.230.0080.03812.71
5.3.220.0030.04112.68
5.3.210.0050.04212.68
5.3.200.0060.03612.68
5.3.190.0090.04012.68
5.3.180.0100.03612.67
5.3.170.0110.03812.67
5.3.160.0070.05112.67
5.3.150.0050.04612.68
5.3.140.0090.03612.66
5.3.130.0060.04112.66
5.3.120.0050.04512.66
5.3.110.0070.04312.66
5.3.100.0080.03712.12
5.3.90.0060.04012.09
5.3.80.0060.03712.08
5.3.70.0040.04012.07
5.3.60.0080.03812.06
5.3.50.0050.05112.00
5.3.40.0050.04312.00
5.3.30.0080.03511.94
5.3.20.0060.04311.72
5.3.10.0060.03711.68
5.3.00.0040.04111.67
5.2.170.0050.0349.18
5.2.160.0060.0299.18
5.2.150.0090.0269.18
5.2.140.0060.0309.17
5.2.130.0050.0339.13
5.2.120.0090.0279.13
5.2.110.0040.0299.14
5.2.100.0060.0389.14
5.2.90.0040.0299.14
5.2.80.0060.0359.13
5.2.70.0040.0349.13
5.2.60.0020.0339.08
5.2.50.0040.0319.05
5.2.40.0050.0289.03
5.2.30.0070.0299.00
5.2.20.0020.0359.00
5.2.10.0030.0308.91
5.2.00.0010.0338.77
5.1.60.0080.0268.06
5.1.50.0050.0288.05
5.1.40.0040.0248.04
5.1.30.0050.0268.39
5.1.20.0050.0328.41
5.1.10.0050.0258.13
5.1.00.0080.0218.13
5.0.50.0020.0286.61
5.0.40.0040.0246.47
5.0.30.0010.0336.28
5.0.20.0020.0226.26
5.0.10.0020.0216.23
5.0.00.0020.0326.22
4.4.90.0030.0164.78
4.4.80.0030.0154.76
4.4.70.0020.0164.75
4.4.60.0010.0174.76
4.4.50.0010.0174.77
4.4.40.0020.0274.71
4.4.30.0040.0154.76
4.4.20.0020.0174.85
4.4.10.0040.0144.85
4.4.00.0020.0274.76
4.3.110.0060.0194.67
4.3.100.0040.0174.67
4.3.90.0030.0154.63
4.3.80.0060.0234.59
4.3.70.0010.0184.63
4.3.60.0030.0244.63
4.3.50.0020.0174.63
4.3.40.0020.0254.54
4.3.30.0020.0213.28
4.3.20.0040.0143.26
4.3.10.0020.0163.21
4.3.00.0170.0237.28

preferences:
49.64 ms | 401 KiB | 5 Q