3v4l.org

run code in 300+ PHP versions simultaneously
<?php $params = array('a', 'b', 'c'); $patterns = array_fill(0, count($params), '#\?#'); $replacements = $params; var_dump(preg_replace($patterns, $replacements, 'bla ? bla ? bla ? blu', 1));

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)
8.3.60.0140.00716.63
8.3.50.0120.01022.00
8.3.40.0030.01218.96
8.3.30.0120.00318.96
8.3.20.0050.00220.26
8.3.10.0000.00821.73
8.3.00.0080.00019.38
8.2.180.0110.00418.29
8.2.170.0100.01022.96
8.2.160.0140.00320.53
8.2.150.0090.00024.18
8.2.140.0000.01024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0190.00322.16
8.2.100.0040.00817.63
8.2.90.0030.00619.14
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0030.00519.75
8.2.30.0040.00418.14
8.2.20.0040.00417.70
8.2.10.0040.00418.14
8.2.00.0040.00417.87
8.1.280.0070.01025.92
8.1.270.0040.00420.38
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.00319.34
8.1.230.0080.00417.66
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0060.00317.47
8.1.190.0000.00817.25
8.1.180.0000.00818.10
8.1.170.0060.00320.36
8.1.160.0000.00722.03
8.1.150.0040.00418.91
8.1.140.0000.00717.51
8.1.130.0000.00717.95
8.1.120.0050.00217.54
8.1.110.0000.00717.59
8.1.100.0000.00717.63
8.1.90.0030.00417.58
8.1.80.0000.00717.59
8.1.70.0050.00217.65
8.1.60.0000.00817.73
8.1.50.0040.00417.56
8.1.40.0030.00617.63
8.1.30.0040.00417.85
8.1.20.0090.00017.86
8.1.10.0050.00517.60
8.1.00.0030.00617.50
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.35
8.0.270.0040.00417.11
8.0.260.0030.00317.12
8.0.250.0030.00317.05
8.0.240.0050.00317.05
8.0.230.0030.00317.04
8.0.220.0070.00016.98
8.0.210.0030.00316.95
8.0.200.0040.00417.07
8.0.190.0000.00917.01
8.0.180.0000.00816.95
8.0.170.0040.00416.95
8.0.160.0050.00217.09
8.0.150.0070.00316.94
8.0.140.0080.00017.02
8.0.130.0000.00713.48
8.0.120.0000.00717.02
8.0.110.0000.00717.05
8.0.100.0050.00216.99
8.0.90.0030.00316.93
8.0.80.0030.01217.07
8.0.70.0040.00416.85
8.0.60.0070.00016.86
8.0.50.0040.00416.95
8.0.30.0130.01317.18
8.0.20.0090.00917.40
8.0.10.0050.00217.01
8.0.00.0090.00917.02
7.4.330.0050.00015.17
7.4.320.0030.00316.82
7.4.300.0000.00616.80
7.4.290.0000.00716.69
7.4.280.0000.00816.55
7.4.270.0080.00016.61
7.4.260.0030.00316.67
7.4.250.0000.00716.76
7.4.240.0020.00516.79
7.4.230.0000.00716.88
7.4.220.0100.01016.77
7.4.210.0070.00716.69
7.4.200.0050.00216.69
7.4.160.0060.00916.47
7.4.150.0070.01117.40
7.4.140.0150.00717.86
7.4.130.0110.00816.72
7.4.120.0120.00516.67
7.4.110.0090.01316.72
7.4.100.0180.00516.69
7.4.90.0030.01516.68
7.4.80.0060.01619.39
7.4.70.0080.00916.44
7.4.60.0070.01016.69
7.4.50.0000.00516.57
7.4.40.0090.00616.55
7.4.30.0120.00916.67
7.4.00.0000.01414.88
7.3.330.0000.00613.15
7.3.320.0090.00313.16
7.3.310.0030.00316.47
7.3.300.0030.00316.41
7.3.290.0090.00616.44
7.3.280.0100.00716.43
7.3.270.0060.01217.40
7.3.260.0110.00716.79
7.3.250.0140.00516.62
7.3.240.0060.01216.67
7.3.230.0130.01216.47
7.3.210.0090.00916.38
7.3.200.0090.00719.39
7.3.190.0070.00716.36
7.3.180.0060.01016.61
7.3.170.0170.00016.40
7.3.160.0070.00716.40
7.2.330.0070.01016.65
7.2.320.0100.00716.67
7.2.310.0090.00616.70
7.2.300.0040.01316.90
7.2.290.0140.00816.75
7.2.00.0000.01419.11
7.1.100.0090.00317.87
7.1.70.0000.00817.07
7.1.60.0140.01119.50
7.1.50.0240.01434.99
7.1.00.0070.08722.38
7.0.200.0120.00614.97
7.0.140.0000.07722.18
7.0.60.0000.07719.82
7.0.50.0070.06017.90
7.0.40.0030.08720.26
7.0.30.0600.06720.35
7.0.20.0200.09020.01
7.0.10.0200.08320.20
7.0.00.0100.07720.10
5.6.280.0000.07721.09
5.6.210.0130.07020.64
5.6.200.0030.04318.22
5.6.190.0100.08320.50
5.6.180.0270.08020.64
5.6.170.0230.08320.48
5.6.160.0070.08320.44
5.6.150.0100.07318.08
5.6.140.0100.06018.18
5.6.130.0030.07718.16
5.6.120.0100.05321.00
5.6.110.0130.06321.03
5.6.100.0100.07321.10
5.6.90.0030.06321.02
5.6.80.0100.04020.27
5.6.70.3830.04320.38
5.5.350.0130.07320.43
5.5.340.0070.08317.95
5.5.330.0030.04320.25
5.5.320.0370.05720.41
5.5.310.0330.07320.20
5.5.300.0100.07717.88
5.5.290.0000.05717.91
5.5.280.0030.05320.79
5.5.270.0030.06020.84
5.5.260.0070.06320.74
5.5.250.0070.08320.57
5.5.240.0430.05720.14
5.4.450.0130.06019.52
5.4.440.0100.06019.63
5.4.430.0630.06319.46
5.4.420.0870.04719.31
5.4.410.0030.06019.02
5.4.400.0370.06718.72
5.4.390.0230.07318.57
5.4.380.0400.06018.55
5.4.370.0530.05718.68
5.4.360.0330.06018.38
5.4.350.0470.06018.69
5.4.340.0500.05318.57
5.4.320.0330.06018.54
5.4.310.0430.05718.62
5.4.300.0370.06318.71
5.4.290.0500.05318.50
5.4.280.0500.05318.51
5.4.270.0300.06718.62
5.4.260.0730.07718.58
5.4.250.0300.06718.45
5.4.240.0330.06018.68
5.4.230.0400.05318.63
5.4.220.0470.05018.65
5.4.210.0930.05718.61
5.4.200.0200.07016.43
5.4.190.0330.06018.53
5.4.180.0400.06018.48
5.4.170.0530.04718.61
5.4.160.0370.06718.53
5.4.150.0470.05018.42
5.4.140.0500.05316.27
5.4.130.0230.05716.20
5.4.120.0300.07716.10
5.4.110.0430.04716.21
5.4.100.0470.04316.12
5.4.90.0230.06716.13
5.4.80.0430.05016.21
5.4.70.0800.06716.23
5.4.60.0370.05716.14
5.4.50.0730.04016.13
5.4.40.0530.06016.23
5.4.30.0370.05716.02
5.4.20.0300.05716.13
5.4.10.0530.04316.18
5.4.00.0400.04315.60
5.3.290.0670.07714.58
5.3.280.0430.05014.55
5.3.270.0370.05714.53
5.3.260.0430.05714.50
5.3.250.1070.05714.60
5.3.240.0430.06014.59
5.3.230.0500.07014.51
5.3.220.1470.07314.65
5.3.210.0370.05714.47
5.3.200.0330.05014.58
5.3.190.0670.04314.51
5.3.180.0470.05014.47
5.3.170.0530.06714.47
5.3.160.0370.08014.66
5.3.150.0370.05714.54
5.3.140.0430.07014.55
5.3.130.0370.06014.60
5.3.120.0370.06014.62
5.3.110.0300.08314.64
5.3.100.0570.06014.08
5.3.90.0600.07313.93
5.3.80.0430.05314.00
5.3.70.0370.06313.98
5.3.60.0430.06014.10
5.3.50.0430.06013.86
5.3.40.0600.03313.91
5.3.30.0400.06313.88
5.3.20.0430.05713.64
5.3.10.0470.04313.63
5.3.00.0370.07313.55
5.2.170.0300.05011.29
5.2.160.0430.04311.16
5.2.150.0100.05711.18
5.2.140.0200.04011.12
5.2.130.0200.04711.16
5.2.120.0370.05311.11
5.2.110.0330.05311.13
5.2.100.0300.05311.08
5.2.90.0400.05311.14
5.2.80.0370.04311.03
5.2.70.0300.04711.13
5.2.60.0370.05311.04
5.2.50.0300.06011.05
5.2.40.0170.05711.15
5.2.30.0400.04310.96
5.2.20.0330.04310.95
5.2.10.0370.05710.82
5.2.00.0300.05310.75
5.1.60.0270.0479.99
5.1.50.0330.0439.95
5.1.40.0230.05310.04
5.1.30.0300.05010.30
5.1.20.0300.04710.48
5.1.10.0130.05010.08
5.1.00.0130.04710.13
5.0.50.0200.0278.53
5.0.40.0130.0278.50
5.0.30.0130.0478.32
5.0.20.0100.0408.32
5.0.10.0170.0338.16
5.0.00.0230.0508.23
4.4.90.0230.0375.84
4.4.80.0200.0235.90
4.4.70.0130.0305.83
4.4.60.0270.0205.95
4.4.50.0170.0305.88
4.4.40.0130.0475.91
4.4.30.0270.0275.88
4.4.20.0200.0205.96
4.4.10.0270.0305.95
4.4.00.0070.0405.89
4.3.110.0070.0335.84
4.3.100.0130.0305.83
4.3.90.0070.0335.83
4.3.80.0100.0375.83
4.3.70.0130.0275.88
4.3.60.0100.0205.83
4.3.50.0100.0235.83
4.3.40.0100.0335.83
4.3.30.0030.0275.83
4.3.20.0100.0205.83
4.3.10.0130.0205.83
4.3.00.0070.0206.65

preferences:
43.17 ms | 401 KiB | 5 Q