3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '/\bRo\(M\)i\b/ui'; $sample = 'Ro(M)i'; echo (int)preg_match( $pattern, $sample, $matches).PHP_EOL; print_r($matches);

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)
8.3.60.0000.01518.80
8.3.50.0110.01022.13
8.3.40.0060.01318.85
8.3.30.0070.00719.04
8.3.20.0000.00720.29
8.3.10.0060.00320.79
8.3.00.0040.00419.50
8.2.180.0140.00416.50
8.2.170.0090.00922.96
8.2.160.0000.01420.41
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00822.02
8.2.110.0070.00321.24
8.2.100.0080.00418.09
8.2.90.0050.00319.20
8.2.80.0050.00517.97
8.2.70.0060.00317.88
8.2.60.0030.00517.93
8.2.50.0000.00918.10
8.2.40.0030.00522.35
8.2.30.0080.00021.17
8.2.20.0000.00817.85
8.2.10.0050.00317.93
8.2.00.0050.00317.93
8.1.280.0140.00725.92
8.1.270.0060.00323.91
8.1.260.0020.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0040.00717.76
8.1.220.0000.00717.79
8.1.210.0080.00018.77
8.1.200.0090.00017.48
8.1.190.0040.00417.80
8.1.180.0000.00818.10
8.1.170.0050.00318.60
8.1.160.0000.00818.87
8.1.150.0000.00820.76
8.1.140.0000.00717.52
8.1.130.0000.00717.89
8.1.120.0030.00317.53
8.1.110.0040.00417.59
8.1.100.0030.00317.63
8.1.90.0030.00517.58
8.1.80.0050.01017.57
8.1.70.0030.00317.52
8.1.60.0030.00517.66
8.1.50.0060.00317.73
8.1.40.0000.00817.66
8.1.30.0040.00417.77
8.1.20.0000.00817.66
8.1.10.0040.00417.57
8.1.00.0000.00817.60
8.0.300.0000.00719.21
8.0.290.0040.00416.88
8.0.280.0030.00318.45
8.0.270.0030.00317.26
8.0.260.0030.00317.22
8.0.250.0070.00017.03
8.0.240.0040.00417.19
8.0.230.0000.00717.08
8.0.220.0040.00417.18
8.0.210.0080.00017.11
8.0.200.0030.00317.13
8.0.190.0040.00417.17
8.0.180.0040.00417.00
8.0.170.0040.00417.10
8.0.160.0070.00017.17
8.0.150.0030.00317.09
8.0.140.0070.00017.04
8.0.130.0060.00013.48
8.0.120.0040.00417.01
8.0.110.0030.00617.11
8.0.100.0000.00717.09
8.0.90.0040.00417.12
8.0.80.0090.00617.12
8.0.70.0000.00717.19
8.0.60.0040.00416.90
8.0.50.0040.00417.12
8.0.30.0120.00817.21
8.0.20.0100.01017.40
8.0.10.0070.00017.12
8.0.00.0120.00516.86
7.4.330.0060.00015.00
7.4.320.0000.00616.65
7.4.300.0060.00016.76
7.4.290.0000.00816.90
7.4.280.0040.00416.84
7.4.270.0000.00816.87
7.4.260.0040.00416.84
7.4.250.0060.00316.65
7.4.240.0010.00616.89
7.4.230.0030.00316.70
7.4.220.0070.01416.79
7.4.210.0070.00716.71
7.4.200.0030.00316.66
7.4.160.0120.00316.60
7.4.150.0060.01217.40
7.4.140.0170.00717.86
7.4.130.0030.01816.79
7.4.120.0100.01216.73
7.4.110.0120.01216.65
7.4.100.0090.00916.64
7.4.90.0110.01116.61
7.4.80.0120.00919.39
7.4.70.0030.01416.70
7.4.60.0040.01416.51
7.4.50.0000.00816.66
7.4.40.0100.00716.58
7.4.30.0060.00916.75
7.4.00.0100.00615.09
7.3.330.0060.00013.09
7.3.320.0050.00013.13
7.3.310.0000.00716.36
7.3.300.0070.00016.35
7.3.290.0060.00916.44
7.3.280.0090.00916.39
7.3.270.0110.00717.40
7.3.260.0120.00916.41
7.3.250.0100.01116.57
7.3.240.0130.00416.56
7.3.230.0140.00416.59
7.3.210.0160.00416.66
7.3.200.0090.01419.39
7.3.190.0150.00616.35
7.3.180.0110.00716.40
7.3.170.0130.00316.37
7.3.160.0090.00616.35
7.2.330.0220.00016.87
7.2.320.0110.00616.71
7.2.310.0210.00316.76
7.2.300.0030.01316.84
7.2.290.0070.01016.76
7.2.60.0040.01117.02
7.2.00.0090.00919.43
7.1.200.0050.01215.85
7.1.100.0030.00817.88
7.1.70.0000.00717.34
7.1.60.0070.01819.12
7.1.50.0030.01017.14
7.1.00.0000.07322.36
7.0.200.0030.00516.87
7.0.140.0030.07022.09
7.0.60.0100.04020.03
7.0.50.0070.07317.99
7.0.40.0000.08720.43
7.0.30.0570.05720.24
7.0.20.0270.03720.24
7.0.10.0030.08020.13
7.0.00.0170.04020.20
5.6.210.0070.08020.74
5.6.200.0100.03318.15
5.6.190.0070.05320.67
5.6.180.0470.06720.45
5.6.170.0130.04320.57
5.6.160.0070.04020.54
5.6.150.0100.04718.21
5.6.140.0030.04318.27
5.6.130.0070.04718.13
5.6.120.0100.04320.79
5.6.110.0070.03720.97
5.6.100.0230.05720.98
5.6.90.0230.05020.98
5.6.80.0100.06020.38
5.5.350.0270.07020.41
5.5.340.0070.03717.92
5.5.330.0030.09020.44
5.5.320.0100.06020.41
5.5.310.0430.06320.50
5.5.300.0030.06717.98
5.5.290.0100.06717.96
5.5.280.0030.04320.88
5.5.270.0130.07020.82
5.5.260.0130.07720.76
5.5.250.0070.08320.70
5.5.240.0230.06720.14
5.4.450.0400.05019.45
5.4.440.0330.04319.45
5.4.430.0670.03719.48
5.4.420.0170.04319.53
5.4.410.0400.04719.45
5.4.400.0300.03719.45
5.4.390.0130.03718.83
5.4.380.0270.05718.53
5.4.370.0300.06018.85
5.4.360.0300.05718.62
5.4.350.0430.05718.79
5.4.340.0470.04318.80
5.4.320.0060.03912.48
5.4.310.0060.03712.48
5.4.300.0080.03412.48
5.4.290.0070.04012.48
5.4.280.0050.03812.37
5.4.270.0040.03812.37
5.4.260.0050.03812.38
5.4.250.0050.04012.38
5.4.240.0110.04212.38
5.4.230.0090.04012.36
5.4.220.0070.03612.36
5.4.210.0040.03812.37
5.4.200.0050.03912.36
5.4.190.0080.03512.36
5.4.180.0050.04012.36
5.4.170.0130.03212.37
5.4.160.0060.03812.37
5.4.150.0070.03812.36
5.4.140.0080.03912.05
5.4.130.0040.03612.04
5.4.120.0060.04012.00
5.4.110.0060.03411.99
5.4.100.0120.03111.99
5.4.90.0060.03611.99
5.4.80.0030.03911.99
5.4.70.0090.03211.98
5.4.60.0040.04111.99
5.4.50.0040.03611.98
5.4.40.0090.03211.97
5.4.30.0060.04011.97
5.4.20.0080.03511.97
5.4.10.0050.03911.98
5.4.00.0080.03411.47
5.3.290.0090.03812.80
5.3.280.0060.04612.71
5.3.270.0050.04512.73
5.3.260.0070.03712.72
5.3.250.0080.03512.72
5.3.240.0090.03912.72
5.3.230.0100.04112.71
5.3.220.0030.03912.68
5.3.210.0060.04112.68
5.3.200.0090.03812.68
5.3.190.0060.03712.68
5.3.180.0060.03512.67
5.3.170.0100.03512.67
5.3.160.0080.03412.67
5.3.150.0060.03912.68
5.3.140.0060.03812.66
5.3.130.0030.04212.66
5.3.120.0070.04112.66
5.3.110.0060.03812.66
5.3.100.0090.03912.12
5.3.90.0090.03312.10
5.3.80.0030.03912.09
5.3.70.0060.03612.09
5.3.60.0050.03712.08
5.3.50.0050.03712.02
5.3.40.0050.04212.02
5.3.30.0060.03411.98
5.3.20.0090.03511.76
5.3.10.0060.03611.73
5.3.00.0040.03711.71
5.2.170.0060.0319.21
5.2.160.0060.0319.22
5.2.150.0060.0399.21
5.2.140.0060.0299.21
5.2.130.0050.0289.18
5.2.120.0030.0299.17
5.2.110.0080.0259.18
5.2.100.0080.0299.18
5.2.90.0040.0289.18
5.2.80.0050.0309.17
5.2.70.0040.0389.17
5.2.60.0060.0299.13
5.2.50.0050.0309.09
5.2.40.0040.0299.07
5.2.30.0040.0319.05
5.2.20.0040.0289.04
5.2.10.0060.0348.93
5.2.00.0070.0358.79
5.1.60.0040.0288.07
5.1.50.0050.0288.07
5.1.40.0050.0288.06
5.1.30.0040.0388.41
5.1.20.0030.0288.43
5.1.10.0040.0278.15
5.1.00.0060.0238.15
5.0.50.0060.0196.63
5.0.40.0040.0216.49
5.0.30.0050.0296.30
5.0.20.0060.0166.27
5.0.10.0030.0206.24
5.0.00.0050.0406.24
4.4.90.0050.0134.78
4.4.80.0040.0154.76
4.4.70.0020.0164.76
4.4.60.0020.0174.75
4.4.50.0030.0144.77
4.4.40.0040.0264.71
4.4.30.0030.0174.76
4.4.20.0020.0164.84
4.4.10.0030.0214.85
4.4.00.0020.0294.76
4.3.110.0020.0204.67
4.3.100.0030.0154.67
4.3.90.0020.0154.64
4.3.80.0050.0224.58
4.3.70.0050.0124.63
4.3.60.0030.0144.63
4.3.50.0030.0164.63
4.3.40.0030.0244.54
4.3.30.0010.0173.29
4.3.20.0010.0173.27
4.3.10.0020.0153.23
4.3.00.0130.01716.73

preferences:
52.16 ms | 401 KiB | 5 Q