3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'PieniÄ…dze Dla Ciebie sp. z o.o.'; $b = '"Pieni\u0105dze Dla Ciebie sp. z o.o."'; var_dump(preg_match('/' . $a . '/i', $b));

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)
8.3.60.0120.00316.50
8.3.50.0190.00322.89
8.3.40.0070.00718.87
8.3.30.0070.01019.05
8.3.20.0000.00820.25
8.3.10.0070.00023.36
8.3.00.0090.00019.50
8.2.180.0120.00316.63
8.2.170.0070.00722.96
8.2.160.0110.00420.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0050.00321.10
8.2.110.0030.00622.37
8.2.100.0070.00719.71
8.2.90.0060.00319.05
8.2.80.0000.00817.97
8.2.70.0000.00917.75
8.2.60.0050.00318.04
8.2.50.0000.00818.07
8.2.40.0050.00319.78
8.2.30.0040.00417.96
8.2.20.0030.00617.73
8.2.10.0000.00717.98
8.2.00.0000.00717.70
8.1.280.0100.00725.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00522.05
8.1.230.0060.00619.07
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0080.00417.36
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0040.00418.67
8.1.160.0040.00422.01
8.1.150.0020.00718.86
8.1.140.0040.00417.47
8.1.130.0030.00317.75
8.1.120.0040.00417.64
8.1.110.0070.00017.56
8.1.100.0000.00717.59
8.1.90.0030.00317.50
8.1.80.0000.00717.56
8.1.70.0000.00817.57
8.1.60.0060.00317.61
8.1.50.0040.00417.61
8.1.40.0050.00317.73
8.1.30.0000.00817.77
8.1.20.0040.00417.76
8.1.10.0040.00417.54
8.1.00.0000.00717.61
8.0.300.0070.00018.77
8.0.290.0040.00416.88
8.0.280.0050.00218.47
8.0.270.0030.00317.28
8.0.260.0060.00017.19
8.0.250.0000.00717.00
8.0.240.0030.00317.09
8.0.230.0070.00016.95
8.0.220.0060.00017.03
8.0.210.0000.00716.96
8.0.200.0030.00317.07
8.0.190.0040.00416.98
8.0.180.0060.00316.94
8.0.170.0030.00317.01
8.0.160.0000.00817.14
8.0.150.0040.00416.90
8.0.140.0030.00516.88
8.0.130.0060.00013.43
8.0.120.0040.00416.90
8.0.110.0070.00016.96
8.0.100.0030.00417.00
8.0.90.0040.00416.96
8.0.80.0130.00317.07
8.0.70.0040.00416.93
8.0.60.0000.00716.96
8.0.50.0000.00716.98
8.0.30.0080.01117.26
8.0.20.0100.01017.40
8.0.10.0050.00316.96
8.0.00.0130.00517.09
7.4.330.0050.00015.00
7.4.320.0030.00316.67
7.4.300.0000.00616.73
7.4.290.0070.00016.68
7.4.280.0040.00416.64
7.4.270.0030.00316.75
7.4.260.0030.00316.58
7.4.250.0000.00816.62
7.4.240.0040.00316.72
7.4.230.0040.00416.76
7.4.220.0160.00316.55
7.4.210.0130.00716.78
7.4.200.0000.00716.82
7.4.160.0160.00016.67
7.4.150.0130.00317.40
7.4.140.0160.00517.86
7.4.130.0080.00816.76
7.4.120.0070.00916.75
7.4.110.0100.00716.62
7.4.100.0070.01116.60
7.4.90.0130.01016.63
7.4.80.0060.01019.39
7.4.70.0150.00616.68
7.4.60.0150.00316.77
7.4.50.0020.00216.52
7.4.40.0100.01316.69
7.4.30.0090.00616.53
7.4.00.0030.01314.97
7.3.330.0060.00313.24
7.3.320.0020.00213.19
7.3.310.0000.00716.41
7.3.300.0000.00716.49
7.3.290.0030.01216.43
7.3.280.0070.00916.42
7.3.270.0060.01317.40
7.3.260.0090.00616.42
7.3.250.0130.00616.61
7.3.240.0100.01016.37
7.3.230.0030.01416.65
7.3.210.0100.00716.54
7.3.200.0120.00819.39
7.3.190.0140.00916.56
7.3.180.0150.00016.33
7.3.170.0120.00316.54
7.3.160.0030.01216.80
7.3.120.0040.01515.19
7.3.110.0030.01015.00
7.3.100.0060.00615.14
7.3.90.0040.00714.50
7.3.80.0070.01014.99
7.3.70.0040.00815.13
7.3.60.0070.00415.00
7.3.50.0090.00915.03
7.3.40.0040.00414.79
7.3.30.0060.00914.75
7.3.20.0110.00416.92
7.3.10.0070.00716.82
7.3.00.0090.00316.84
7.2.330.0130.00616.72
7.2.320.0090.00916.47
7.2.310.0180.00416.71
7.2.300.0040.01216.70
7.2.290.0090.01716.80
7.2.250.0060.00915.25
7.2.240.0110.01115.21
7.2.230.0000.01415.25
7.2.220.0070.00715.14
7.2.210.0090.00915.01
7.2.200.0040.01215.22
7.2.190.0040.00715.06
7.2.180.0060.00614.89
7.2.170.0080.00415.23
7.2.60.0070.01016.94
7.2.50.0040.01116.94
7.1.330.0030.01015.89
7.1.320.0110.00415.89
7.1.310.0000.01316.02
7.1.300.0110.00016.07
7.1.290.0030.00915.89
7.1.280.0060.00615.74
7.1.270.0080.00816.08
7.1.260.0060.00916.14
7.1.200.0090.00415.86
7.1.70.0000.00917.23
7.1.60.0160.00619.40
7.1.50.0100.01316.83
7.1.00.0070.07322.33
7.0.200.0030.00617.01
7.0.140.0070.07022.17
7.0.60.0030.08719.95
7.0.50.0070.07717.81
7.0.40.0100.04720.25
7.0.30.0270.08320.15
7.0.20.0200.04020.31
7.0.10.0070.06720.21
7.0.00.0130.05020.10
5.6.280.0000.07720.86
5.6.210.0070.08320.76
5.6.200.0070.08018.08
5.6.190.0070.08320.33
5.6.180.0270.05320.64
5.6.170.0230.06320.50
5.6.160.0100.07720.44
5.6.150.0130.07018.13
5.6.140.0030.08318.11
5.6.130.0070.07718.11
5.6.120.0070.08020.98
5.6.110.0100.08020.96
5.6.100.0070.07020.93
5.6.90.0100.08321.11
5.6.80.0000.07020.40
5.5.350.0300.05720.38
5.5.340.0100.06317.91
5.5.330.0170.07320.21
5.5.320.0230.08020.26
5.5.310.0400.06020.24
5.5.300.0130.03717.98
5.5.290.0170.07018.00
5.5.280.0100.08020.76
5.5.270.0170.07320.75
5.5.260.0130.07720.73
5.5.250.0130.04720.68
5.5.240.0030.07719.99
5.4.450.0770.05319.47
5.4.440.0400.06019.64
5.4.430.0400.05719.54
5.4.420.0530.05319.54
5.4.410.0100.05018.88
5.4.400.0400.05018.51
5.4.390.0500.05318.59
5.4.380.0070.06018.57
5.4.370.0030.05018.71
5.4.360.0100.03718.48
5.4.350.0080.03411.97
5.4.340.0070.03511.96
5.4.320.0050.03712.45
5.4.310.0050.03912.45
5.4.300.0060.03812.45
5.4.290.0050.03812.45
5.4.280.0030.03912.34
5.4.270.0040.03712.34
5.4.260.0050.03812.34
5.4.250.0080.03512.35
5.4.240.0050.03912.34
5.4.230.0040.03912.34
5.4.220.0040.03712.34
5.4.210.0040.03912.34
5.4.200.0070.03612.34
5.4.190.0060.03612.34
5.4.180.0050.03712.34
5.4.170.0090.03312.34
5.4.160.0070.04312.34
5.4.150.0130.04312.34
5.4.140.0060.05312.02
5.4.130.0100.04612.01
5.4.120.0080.04311.96
5.4.110.0080.03711.96
5.4.100.0040.04011.96
5.4.90.0070.04311.96
5.4.80.0070.04211.96
5.4.70.0050.03511.96
5.4.60.0080.03711.96
5.4.50.0090.04811.96
5.4.40.0070.04411.95
5.4.30.0060.04811.95
5.4.20.0080.04611.95
5.4.10.0080.03311.95
5.4.00.0070.03511.43
5.3.290.0070.03812.80
5.3.280.0060.03812.70
5.3.270.0100.03912.72
5.3.260.0080.04312.72
5.3.250.0030.04412.72
5.3.240.0090.03612.72
5.3.230.0060.04112.71
5.3.220.0050.03812.68
5.3.210.0020.04312.68
5.3.200.0070.03512.68
5.3.190.0070.03812.68
5.3.180.0040.03812.67
5.3.170.0070.03612.67
5.3.160.0080.03412.68
5.3.150.0070.03612.67
5.3.140.0070.03612.66
5.3.130.0060.04112.66
5.3.120.0070.04112.66
5.3.110.0050.04312.65
5.3.100.0040.04012.12
5.3.90.0050.03712.08
5.3.80.0050.04512.07
5.3.70.0060.04812.08
5.3.60.0160.04512.07
5.3.50.0100.04112.00
5.3.40.0100.03712.00
5.3.30.0030.03711.95
5.3.20.0070.04111.73
5.3.10.0100.03411.70
5.3.00.0110.04511.69
5.2.170.0010.0339.19
5.2.160.0020.0319.19
5.2.150.0040.0309.19
5.2.140.0030.0339.18
5.2.130.0020.0329.14
5.2.120.0040.0309.15
5.2.110.0040.0309.15
5.2.100.0030.0369.15
5.2.90.0030.0379.14
5.2.80.0040.0309.14
5.2.70.0070.0279.14
5.2.60.0040.0319.10
5.2.50.0050.0309.07
5.2.40.0050.0449.05
5.2.30.0040.0319.02
5.2.20.0050.0289.01
5.2.10.0040.0288.92
5.2.00.0040.0368.77
5.1.60.0030.0258.06
5.1.50.0040.0258.06
5.1.40.0050.0238.04
5.1.30.0060.0258.39
5.1.20.0060.0258.41
5.1.10.0050.0248.13
5.1.00.0020.0278.13
5.0.50.0030.0206.61
5.0.40.0020.0206.47
5.0.30.0040.0326.29
5.0.20.0030.0206.25
5.0.10.0040.0196.23
5.0.00.0020.0326.23
4.4.90.0050.0134.78
4.4.80.0040.0144.75
4.4.70.0040.0144.75
4.4.60.0050.0134.75
4.4.50.0010.0174.77
4.4.40.0030.0254.71
4.4.30.0010.0174.76
4.4.20.0030.0174.85
4.4.10.0030.0154.84
4.4.00.0030.0254.76
4.3.110.0040.0154.67
4.3.100.0020.0194.67
4.3.90.0010.0164.64
4.3.80.0040.0224.59
4.3.70.0040.0124.63
4.3.60.0030.0134.63
4.3.50.0010.0174.63
4.3.40.0060.0204.54
4.3.30.0000.0183.28
4.3.20.0010.0163.26
4.3.10.0010.0163.22
4.3.00.0130.0207.12

preferences:
49.42 ms | 401 KiB | 5 Q