3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '/.*(?<!%)([A-Z0-9])?[A-Z]+.*/'; $string = 'aA%C3%B1o'; $res = preg_match ( $pattern, $string, $result ); var_dump( $res, $result );

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)
8.3.60.0110.00418.31
8.3.50.0100.00521.09
8.3.40.0070.00718.71
8.3.30.0090.00619.09
8.3.20.0000.00720.39
8.3.10.0080.00022.06
8.3.00.0080.00022.40
8.2.180.0060.00916.38
8.2.170.0110.00422.96
8.2.160.0120.00319.07
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.61
8.2.110.0080.00022.24
8.2.100.0060.00618.03
8.2.90.0040.00419.05
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0000.00817.91
8.2.50.0030.00518.07
8.2.40.0000.00718.03
8.2.30.0000.00818.00
8.2.20.0000.00717.78
8.2.10.0050.00217.72
8.2.00.0040.00417.85
8.1.280.0120.00925.92
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.87
8.1.230.0100.00019.10
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0080.00017.48
8.1.190.0040.00417.40
8.1.180.0060.00318.49
8.1.170.0030.00718.71
8.1.160.0040.00422.15
8.1.150.0000.01018.76
8.1.140.0040.00417.57
8.1.130.0030.00317.85
8.1.120.0000.00717.51
8.1.110.0030.00517.41
8.1.100.0080.00017.43
8.1.90.0050.00217.52
8.1.80.0020.00517.54
8.1.70.0070.00017.48
8.1.60.0000.00717.66
8.1.50.0030.00517.61
8.1.40.0080.00017.58
8.1.30.0040.00417.72
8.1.20.0040.00417.69
8.1.10.0070.00017.56
8.1.00.0070.00017.55
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0030.00318.34
8.0.270.0030.00317.21
8.0.260.0000.00716.88
8.0.250.0000.00616.91
8.0.240.0070.00317.00
8.0.230.0030.00316.99
8.0.220.0000.00716.85
8.0.210.0070.00016.97
8.0.200.0000.00617.06
8.0.190.0040.00416.96
8.0.180.0000.00817.02
8.0.170.0000.00716.96
8.0.160.0040.00416.95
8.0.150.0040.00416.87
8.0.140.0070.00016.84
8.0.130.0060.00013.43
8.0.120.0030.00516.90
8.0.110.0000.00716.89
8.0.100.0050.00316.85
8.0.90.0050.00316.95
8.0.80.0090.00616.84
8.0.70.0040.00416.96
8.0.60.0000.00816.94
8.0.50.0040.00416.84
8.0.30.0120.00717.14
8.0.20.0130.00617.40
8.0.10.0040.00417.09
8.0.00.0100.01016.86
7.4.330.0000.00515.04
7.4.320.0060.00016.52
7.4.300.0060.00016.56
7.4.290.0030.00316.69
7.4.280.0110.00016.71
7.4.270.0070.00016.52
7.4.260.0080.00316.73
7.4.250.0040.00416.70
7.4.240.0010.00616.71
7.4.230.0030.00316.55
7.4.220.0060.01216.60
7.4.210.0030.01116.74
7.4.200.0000.00716.80
7.4.190.0070.00016.70
7.4.160.0110.00716.55
7.4.150.0090.00917.40
7.4.140.0110.00617.86
7.4.130.0120.00616.66
7.4.120.0100.00716.62
7.4.110.0100.00716.73
7.4.100.0060.01216.37
7.4.90.0030.01516.61
7.4.80.0090.00919.39
7.4.70.0110.01116.72
7.4.60.0090.00916.55
7.4.50.0000.00816.26
7.4.40.0090.00622.77
7.4.30.0100.00716.90
7.4.00.0060.01014.95
7.3.330.0000.00613.18
7.3.320.0000.00513.12
7.3.310.0070.00016.36
7.3.300.0000.00716.23
7.3.290.0060.00916.25
7.3.280.0090.00716.33
7.3.270.0120.00617.40
7.3.260.0090.01016.30
7.3.250.0070.01216.54
7.3.240.0090.00916.64
7.3.230.0100.00716.39
7.3.210.0090.00916.55
7.3.200.0090.01319.39
7.3.190.0040.01816.47
7.3.180.0070.01016.26
7.3.170.0120.00616.58
7.3.160.0060.00916.14
7.3.120.0050.01215.01
7.3.110.0000.01715.07
7.3.100.0070.00714.88
7.3.90.0000.00814.84
7.3.80.0070.00714.76
7.3.70.0060.00614.61
7.3.60.0060.01014.83
7.3.50.0040.01114.65
7.3.40.0060.00614.41
7.3.30.0070.00714.73
7.3.20.0000.01316.61
7.3.10.0040.01016.66
7.3.00.0070.00416.73
7.2.330.0090.00916.67
7.2.320.0080.01116.80
7.2.310.0090.00916.77
7.2.300.0070.01016.54
7.2.290.0030.01316.63
7.2.250.0070.01014.96
7.2.240.0070.00714.81
7.2.230.0060.00615.06
7.2.220.0090.00415.14
7.2.210.0030.01014.84
7.2.200.0070.00714.83
7.2.190.0040.00415.13
7.2.180.0000.01615.18
7.2.170.0000.00914.99
7.2.60.0090.00616.88
7.2.00.0090.00619.46
7.1.330.0040.00815.92
7.1.320.0070.00315.97
7.1.310.0040.01216.14
7.1.300.0040.01115.93
7.1.290.0080.00315.90
7.1.280.0070.00715.54
7.1.270.0070.00315.98
7.1.260.0070.01015.64
7.1.200.0070.00315.89
7.1.100.0070.01018.12
7.1.70.0000.01417.23
7.1.60.0100.01419.82
7.1.50.0130.01017.07
7.1.00.0030.07722.55
7.0.200.0000.01216.95
7.0.140.0070.07022.09
7.0.60.0070.07019.82
7.0.50.0000.07017.92
7.0.40.0000.08719.98
7.0.30.0530.06720.32
7.0.20.0200.03720.19
7.0.10.0030.09320.43
7.0.00.0030.08020.17
5.6.280.0030.07321.03
5.6.210.0100.08020.60
5.6.200.0100.08318.16
5.6.190.0130.04720.33
5.6.180.0400.05720.58
5.6.170.0300.07720.45
5.6.160.0170.06720.54
5.6.150.0130.06718.11
5.6.140.0000.05318.20
5.6.130.0100.05718.10
5.6.120.0130.07321.07
5.6.110.0130.06721.02
5.6.100.0030.08321.06
5.6.90.0100.07020.96
5.6.80.0070.03320.38
5.5.350.0100.07720.46
5.5.340.0100.05018.02
5.5.330.0200.07020.40
5.5.320.4070.03720.31
5.5.310.0200.04320.33
5.5.300.0100.07717.96
5.5.290.0030.08718.00
5.5.280.0030.04020.79
5.5.270.0030.07320.73
5.5.260.0030.07720.87
5.5.250.0030.05720.57
5.5.240.0130.04020.23
5.4.450.0730.04719.58
5.4.440.0530.04719.45
5.4.430.0170.05019.67
5.4.420.0230.04719.46
5.4.410.0170.05018.93
5.4.400.0170.04718.60
5.4.390.0130.05018.51
5.4.380.0130.05318.72
5.4.370.0200.04318.61
5.4.360.0200.04718.62
5.4.350.0300.05018.68
5.4.340.0230.05018.49
5.4.320.0040.03912.45
5.4.310.0070.03812.45
5.4.300.0100.03512.45
5.4.290.0060.03712.45
5.4.280.0070.03812.35
5.4.270.0050.03712.34
5.4.260.0130.04318.66
5.4.250.0130.05018.61
5.4.240.0030.06318.75
5.4.230.0070.05318.95
5.4.220.0170.04318.89
5.4.210.0100.07318.88
5.4.200.0000.06018.57
5.4.190.0030.05318.70
5.4.180.0230.05718.87
5.4.170.0130.06718.95
5.4.160.0030.05318.65
5.4.150.0100.05018.65
5.4.140.0030.05316.47
5.4.130.0130.04016.39
5.4.120.0100.05016.22
5.4.110.0070.05016.35
5.4.100.0130.04716.38
5.4.90.0100.05316.16
5.4.80.0070.07016.45
5.4.70.0130.04316.20
5.4.60.0100.04316.29
5.4.50.0030.05716.36
5.4.40.0170.04016.50
5.4.30.0030.05016.35
5.4.20.0070.04716.35
5.4.10.0030.06316.32
5.4.00.0000.07315.65
5.3.290.0050.04812.80
5.3.280.0130.04714.60
5.3.270.0030.06014.38
5.3.260.0170.06314.47
5.3.250.0170.04714.70
5.3.240.0030.07714.44
5.3.230.0030.05014.43
5.3.220.0030.07314.55
5.3.210.0000.05714.71
5.3.200.0100.06714.55
5.3.190.0130.04314.40
5.3.180.0070.05014.44
5.3.170.0070.05314.56
5.3.160.0070.05014.41
5.3.150.0100.06714.60
5.3.140.0030.05314.46
5.3.130.0000.06014.59
5.3.120.0030.05314.41
5.3.110.0030.05714.70
5.3.100.0070.05014.08
5.3.90.0130.04314.05
5.3.80.0070.05014.13
5.3.70.0100.07313.90
5.3.60.0070.05314.14
5.3.50.0000.06313.95
5.3.40.0100.06713.83
5.3.30.0030.07313.90
5.3.20.0070.05313.60
5.3.10.0030.07313.66
5.3.00.0000.05713.50
5.2.170.0070.04711.07
5.2.160.0030.04711.23
5.2.150.0100.03711.03
5.2.140.0070.04011.04
5.2.130.0030.05011.11
5.2.120.0030.04011.11
5.2.110.0070.04011.19
5.2.100.0030.04011.11
5.2.90.0070.05311.00
5.2.80.0070.06311.09
5.2.70.0030.04311.18
5.2.60.0000.04710.95
5.2.50.0070.05711.17
5.2.40.0230.03710.91
5.2.30.0100.03710.97
5.2.20.0030.04310.96
5.2.10.0030.04011.02
5.2.00.0070.03710.55
5.1.60.0070.04310.19
5.1.50.0070.0309.84
5.1.40.0030.0309.74
5.1.30.0100.04310.54
5.1.20.0070.03010.28
5.1.10.0070.03310.30
5.1.00.0070.03310.25
5.0.50.0030.0308.59
5.0.40.0000.0438.25
5.0.30.0070.0378.24
5.0.20.0030.0278.34
5.0.10.0130.0208.00
5.0.00.0070.0508.30
4.4.90.0030.0337.16
4.4.80.0000.0237.16
4.4.70.0030.0307.16
4.4.60.0070.0177.16
4.4.50.0030.0207.16
4.4.40.0000.0377.16
4.4.30.0070.0277.16
4.4.20.0070.0207.16
4.4.10.0030.0237.16
4.4.00.0030.0337.16
4.3.110.0000.0277.16
4.3.100.0070.0177.16
4.3.90.0000.0237.16
4.3.80.0030.0437.16
4.3.70.0070.0177.16
4.3.60.0070.0277.16
4.3.50.0070.0207.16
4.3.40.0030.0437.16
4.3.30.0030.0207.16
4.3.20.0000.0237.16
4.3.10.0000.0237.16
4.3.00.0070.01013.18

preferences:
40.66 ms | 401 KiB | 5 Q