3v4l.org

run code in 300+ PHP versions simultaneously
<?php $body = "something use Modules\Cms\Classes\Content; use Modules\Cms\Classes\Theme; use Modules\System\Classes\ApplicationException; use Modules\Cms\Classes\Router; class ... "; echo chr(92); $namespaces = array(); //preg_match_all('/(use\s+[a-z0-9_\\\]+;\n?)/mi', $body, $namespaces); echo preg_replace('/(use\s+[a-z0-9_\\\]+;\n*)/mi', '', $body); //print_r($namespaces);

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)
8.3.40.0120.00318.79
8.3.30.0110.00419.00
8.3.20.0070.00720.15
8.3.10.0070.00023.48
8.3.00.0050.00320.84
8.2.170.0070.00722.96
8.2.160.0000.01420.35
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0110.00726.16
8.2.120.0050.00319.51
8.2.110.0060.00320.30
8.2.100.0080.00418.03
8.2.90.0060.00319.09
8.2.80.0040.00417.97
8.2.70.0000.00817.75
8.2.60.0030.00617.91
8.2.50.0040.00418.10
8.2.40.0060.00320.19
8.2.30.0080.00018.26
8.2.20.0070.00017.77
8.2.10.0040.00417.95
8.2.00.0070.00017.82
8.1.270.0060.00323.82
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00623.74
8.1.230.0060.00620.97
8.1.220.0080.00017.78
8.1.210.0060.00318.77
8.1.200.0060.00317.48
8.1.190.0080.00017.35
8.1.180.0030.00618.10
8.1.170.0030.00518.62
8.1.160.0070.00021.95
8.1.150.0040.00418.72
8.1.140.0040.00417.44
8.1.130.0000.00719.51
8.1.120.0040.00417.52
8.1.110.0040.00417.36
8.1.100.0040.00417.54
8.1.90.0000.00717.47
8.1.80.0030.00517.55
8.1.70.0000.00717.42
8.1.60.0000.00817.67
8.1.50.0030.00517.57
8.1.40.0040.00417.51
8.1.30.0050.00317.58
8.1.20.0000.00817.65
8.1.10.0000.00717.66
8.1.00.0000.00817.42
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0030.00318.50
8.0.270.0030.00317.22
8.0.260.0080.00017.14
8.0.250.0030.00317.06
8.0.240.0000.00716.96
8.0.230.0000.00816.88
8.0.220.0000.00716.86
8.0.210.0070.00016.96
8.0.200.0060.00016.99
8.0.190.0020.00516.86
8.0.180.0090.00016.89
8.0.170.0000.00816.99
8.0.160.0000.00716.96
8.0.150.0000.00716.89
8.0.140.0000.00816.82
8.0.130.0050.00013.41
8.0.120.0080.00016.93
8.0.110.0000.00717.02
8.0.100.0050.00216.82
8.0.90.0000.00816.94
8.0.80.0030.01316.93
8.0.70.0070.00017.00
8.0.60.0050.00316.95
8.0.50.0000.00716.86
8.0.30.0130.00816.95
8.0.20.0160.00517.42
8.0.10.0040.00416.96
8.0.00.0130.00516.89
7.4.330.0050.00015.12
7.4.320.0030.00316.66
7.4.300.0000.00616.71
7.4.290.0030.00716.79
7.4.280.0060.00316.74
7.4.270.0000.00816.56
7.4.260.0000.00716.62
7.4.250.0000.00716.63
7.4.240.0050.00316.67
7.4.230.0000.00716.54
7.4.220.0060.01216.76
7.4.210.0070.00716.81
7.4.200.0000.00816.63
7.4.160.0080.00816.89
7.4.150.0090.00917.40
7.4.140.0150.00317.86
7.4.130.0080.00816.48
7.4.120.0070.01016.63
7.4.110.0160.00716.56
7.4.100.0140.00616.68
7.4.90.0030.01316.64
7.4.80.0030.01419.39
7.4.70.0130.00416.36
7.4.60.0100.01016.68
7.4.50.0060.00316.47
7.4.40.0070.01016.64
7.4.30.0090.00616.55
7.4.00.0100.00715.18
7.3.330.0040.00213.07
7.3.320.0030.00313.17
7.3.310.0040.00416.43
7.3.300.0040.00416.16
7.3.290.0090.00616.23
7.3.280.0120.00516.24
7.3.270.0060.01217.40
7.3.260.0130.00316.52
7.3.250.0100.00916.41
7.3.240.0170.00316.41
7.3.230.0000.01716.39
7.3.210.0110.00816.28
7.3.200.0100.01019.39
7.3.190.0000.02216.59
7.3.180.0100.00616.36
7.3.170.0090.00616.62
7.3.160.0070.00916.35
7.3.120.0090.00315.14
7.3.10.0060.00916.73
7.3.00.0070.00416.62
7.2.330.0070.01016.72
7.2.320.0100.00616.68
7.2.310.0100.00616.63
7.2.300.0120.00616.59
7.2.290.0070.01016.55
7.2.130.0040.00717.15
7.2.120.0040.00716.98
7.2.110.0070.01017.11
7.2.100.0060.00916.87
7.2.90.0090.00617.02
7.2.80.0030.00616.91
7.2.70.0060.00916.82
7.2.60.0090.00016.79
7.2.50.0000.01316.64
7.2.40.0030.00617.04
7.2.30.0080.00516.75
7.2.20.0100.00316.86
7.2.10.0040.01117.05
7.2.00.0090.00616.68
7.1.250.0030.00915.83
7.1.200.0040.00816.08
7.1.70.0070.00716.98
7.1.60.0140.01119.70
7.1.50.0040.01416.77
7.1.00.0030.07322.30
7.0.200.0000.00816.95
7.0.140.0000.07721.95
7.0.60.0100.08019.91
7.0.50.0030.08317.80
7.0.40.0100.08320.07
7.0.30.0230.08020.15
7.0.20.0230.04320.30
7.0.10.0100.03720.22
7.0.00.0130.04020.01
5.6.280.0000.07720.88
5.6.210.0130.06720.62
5.6.200.0070.05018.09
5.6.190.0170.07720.41
5.6.180.0300.06320.77
5.6.170.0230.08320.48
5.6.160.0070.08320.54
5.6.150.0100.06318.07
5.6.140.0030.04018.09
5.6.130.0030.07018.16
5.6.120.0070.08321.02
5.6.110.0100.04021.00
5.6.100.0170.07720.98
5.6.90.0100.07320.98
5.6.80.0030.07320.53
5.5.350.3530.04720.32
5.5.340.0170.06717.91
5.5.330.0070.03720.21
5.5.320.0370.06720.30
5.5.310.0270.08720.41
5.5.300.0070.03717.94
5.5.290.0030.08317.89
5.5.280.0030.09020.94
5.5.270.0070.04020.67
5.5.260.0100.05020.96
5.5.250.0030.04320.60
5.5.240.0100.07320.18
5.4.450.1600.03319.15
5.4.440.1900.04719.35
5.4.430.1570.04319.29
5.4.420.1530.04019.00
5.4.410.1770.04319.18
5.4.400.1670.04018.72
5.4.390.1770.02719.02
5.4.380.1130.04718.71
5.4.370.0070.06018.72
5.4.360.0000.05018.72
5.4.350.1130.03718.97
5.4.340.1470.04018.82
5.4.320.1570.03018.97
5.4.310.1530.03718.86
5.4.300.1830.04318.97
5.4.290.1670.04719.14
5.4.280.1730.05018.71
5.4.270.1670.04018.69
5.4.260.1700.04319.11
5.4.250.1800.03719.02
5.4.240.1500.03718.83
5.4.230.1500.03318.79
5.4.220.0070.04019.15
5.4.210.0100.03718.84
5.4.200.1170.05018.71
5.4.190.1500.03719.20
5.4.180.1600.03319.11
5.4.170.1730.04719.24
5.4.160.1730.04019.13
5.4.150.1530.03318.96
5.4.140.1470.03716.28
5.4.130.1530.02716.44
5.4.120.1730.04316.26
5.4.110.1730.04316.30
5.4.100.1470.04016.23
5.4.90.1800.04016.23
5.4.80.0500.04316.48
5.4.70.0070.07016.38
5.4.60.0200.04316.19
5.4.50.1570.04716.15
5.4.40.1770.04316.19
5.4.30.1500.03316.38
5.4.20.1330.03716.43
5.4.10.1730.03316.36
5.4.00.1770.04715.80
5.3.290.1500.03714.50
5.3.280.1630.04014.47
5.3.270.1430.04314.48
5.3.260.1700.04714.54
5.3.250.1600.04314.65
5.3.240.0770.05314.46
5.3.230.0100.06714.54
5.3.220.0070.05714.52
5.3.210.1670.04714.46
5.3.200.1530.03314.41
5.3.190.1800.04014.41
5.3.180.1500.04014.51
5.3.170.1830.03714.50
5.3.160.1770.04314.49
5.3.150.1770.02314.43
5.3.140.1800.05014.41
5.3.130.1630.04014.49
5.3.120.1770.04014.59
5.3.110.1730.03714.48
5.3.100.0530.04013.88
5.3.90.0030.03713.89
5.3.80.0000.04313.83
5.3.70.1330.03713.87
5.3.60.1570.03313.95
5.3.50.1630.03713.85
5.3.40.1830.04313.89
5.3.30.1530.03313.75
5.3.20.1470.04013.55
5.3.10.1500.04013.60
5.3.00.1570.03313.58
5.2.170.1230.03311.04
5.2.160.1100.02311.11
5.2.150.1300.02711.15
5.2.140.1330.02710.98
5.2.130.1300.02711.01
5.2.120.0600.03311.15
5.2.110.0030.05711.18
5.2.100.0000.04010.94
5.2.90.0570.04310.95
5.2.80.1300.02711.27
5.2.70.1400.03310.94
5.2.60.1370.02710.98
5.2.50.1700.03011.09
5.2.40.1100.03010.85
5.2.30.1030.02711.13
5.2.20.1170.03710.96
5.2.10.1270.03310.82
5.2.00.1030.02310.82
5.1.60.1000.03010.07
5.1.50.0970.0279.93
5.1.40.1070.0239.96
5.1.30.1200.03310.30
5.1.20.1100.03010.37
5.1.10.0400.03710.04
5.1.00.0000.02710.22
5.0.50.0000.0508.68
5.0.40.0030.0178.38
5.0.30.0070.0638.19
5.0.20.0030.0408.17
5.0.10.0600.0308.06
5.0.00.0600.0338.13
4.4.90.0530.0207.88
4.4.80.0700.0207.88
4.4.70.0630.0237.88
4.4.60.0570.0207.88
4.4.50.0530.0237.88
4.4.40.0530.0307.88
4.4.30.0530.0207.88
4.4.20.0570.0207.88
4.4.10.0500.0177.88
4.4.00.0700.0337.88
4.3.110.0570.0177.88
4.3.100.0470.0177.88
4.3.90.0530.0177.88
4.3.80.0670.0377.88
4.3.70.0670.0277.88
4.3.60.0670.0237.88
4.3.50.0700.0207.88
4.3.40.0630.0277.88
4.3.30.0300.0177.88
4.3.20.0330.0307.88
4.3.10.0030.0277.88
4.3.00.0000.0337.88

preferences:
64.2 ms | 400 KiB | 5 Q