3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $_foo = array(); public function bar($source) { $ref = &$this->_foo; $ref = array(); return preg_replace_callback( '/\\w+/', function ($m) use (&$ref) { $ref[] = $m[0]; return "(" . $m[0] . ")"; }, $source ); } public function foo() { print_r($this->_foo); } } $a = new A(); $a->bar("lorem ipsum dolor"); $a->foo();

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)
8.3.60.0210.00018.43
8.3.50.0090.01021.11
8.3.40.0060.01018.91
8.3.30.0070.00718.90
8.3.20.0100.00720.22
8.3.10.0040.00420.83
8.3.00.0060.00319.63
8.2.180.0120.00616.63
8.2.170.0120.00622.96
8.2.160.0070.00720.37
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00322.06
8.2.110.0070.00422.25
8.2.100.0090.00317.84
8.2.90.0040.00419.40
8.2.80.0000.00817.97
8.2.70.0060.00317.85
8.2.60.0070.00317.93
8.2.50.0000.00818.07
8.2.40.0060.00318.16
8.2.30.0000.00819.33
8.2.20.0000.00817.93
8.2.10.0070.00018.17
8.2.00.0040.00417.79
8.1.280.0190.00325.92
8.1.270.0080.00023.84
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.79
8.1.230.0070.00418.97
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.47
8.1.190.0050.00317.48
8.1.180.0080.00018.10
8.1.170.0040.00418.62
8.1.160.0040.00422.03
8.1.150.0040.00418.82
8.1.140.0060.00317.59
8.1.130.0070.00017.85
8.1.120.0000.00817.61
8.1.110.0070.00017.61
8.1.100.0050.00217.68
8.1.90.0070.00017.50
8.1.80.0000.00717.48
8.1.70.0000.00717.52
8.1.60.0050.00317.72
8.1.50.0040.00417.73
8.1.40.0050.00317.56
8.1.30.0040.00417.63
8.1.20.0030.00517.70
8.1.10.0050.00317.63
8.1.00.0040.00417.60
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0050.00318.50
8.0.270.0030.00317.38
8.0.260.0000.00817.33
8.0.250.0030.00317.09
8.0.240.0040.00417.07
8.0.230.0000.00717.13
8.0.220.0000.00716.90
8.0.210.0030.00316.94
8.0.200.0040.00417.06
8.0.190.0040.00416.96
8.0.180.0000.00717.07
8.0.170.0080.00017.07
8.0.160.0040.00316.97
8.0.150.0040.00417.06
8.0.140.0050.00317.04
8.0.130.0030.00313.47
8.0.120.0030.00617.00
8.0.110.0030.00516.96
8.0.100.0050.00216.89
8.0.90.0000.00716.99
8.0.80.0100.00616.90
8.0.70.0000.00716.97
8.0.60.0040.00417.00
8.0.50.0040.00417.06
8.0.30.0100.00917.29
8.0.20.0060.01417.40
8.0.10.0000.00717.18
8.0.00.0080.01116.93
7.4.330.0000.00615.15
7.4.320.0060.00016.75
7.4.300.0030.00316.71
7.4.290.0030.00316.73
7.4.280.0030.00316.79
7.4.270.0050.00316.73
7.4.260.0030.00316.83
7.4.250.0050.00216.79
7.4.240.0030.00416.78
7.4.230.0000.00716.79
7.4.220.0090.01316.75
7.4.210.0160.00316.63
7.4.200.0070.00016.71
7.4.160.0070.01116.84
7.4.150.0120.00817.40
7.4.140.0090.01117.86
7.4.130.0070.01116.62
7.4.120.0090.00816.83
7.4.110.0140.00316.50
7.4.100.0140.00316.75
7.4.90.0090.00916.59
7.4.80.0090.00919.37
7.4.70.0170.00716.75
7.4.60.0100.01016.86
7.4.50.0080.00016.65
7.4.40.0100.00616.84
7.4.30.0070.01016.86
7.4.00.0110.00515.24
7.3.330.0050.00313.43
7.3.320.0000.00513.54
7.3.310.0070.00016.55
7.3.300.0000.00716.38
7.3.290.0030.01616.44
7.3.280.0090.01016.42
7.3.270.0120.00617.40
7.3.260.0180.00316.74
7.3.250.0050.01216.52
7.3.240.0100.01516.45
7.3.230.0090.01016.64
7.3.210.0110.00516.67
7.3.200.0090.00919.39
7.3.190.0190.00316.54
7.3.180.0040.01216.58
7.3.170.0070.01016.84
7.3.160.0130.01016.63
7.3.120.0100.00714.68
7.3.110.0090.01015.18
7.3.100.0070.01114.86
7.3.90.0060.01314.94
7.3.80.0080.00014.78
7.3.70.0140.00015.09
7.3.60.0030.01015.12
7.3.50.0090.00315.01
7.3.40.0070.01014.82
7.3.30.0040.01114.96
7.3.20.0000.01116.82
7.3.10.0060.00616.77
7.3.00.0070.01016.71
7.2.330.0120.00616.57
7.2.320.0100.00716.90
7.2.310.0060.01116.78
7.2.300.0060.01216.93
7.2.290.0110.01116.79
7.2.250.0030.01715.15
7.2.240.0060.01015.32
7.2.230.0100.01015.16
7.2.220.0100.01015.14
7.2.210.0070.01015.02
7.2.200.0040.00415.43
7.2.190.0000.01415.20
7.2.180.0040.01115.13
7.2.170.0030.01215.21
7.2.00.0030.00919.31
7.1.330.0030.01016.05
7.1.320.0090.00015.74
7.1.310.0090.00616.08
7.1.300.0080.00515.96
7.1.290.0110.00015.99
7.1.280.0030.01016.16
7.1.270.0030.00616.08
7.1.260.0070.00715.93
7.1.100.0030.01518.21
7.1.70.0070.00417.34
7.1.60.0070.01119.32
7.1.50.0030.02217.13
7.1.00.0000.08022.29
7.0.200.0070.00416.91
7.0.140.0000.07721.95
7.0.60.0130.08019.91
7.0.50.0130.05017.98
7.0.40.0100.07320.16
7.0.30.0200.04720.32
7.0.20.0270.07320.25
7.0.10.0130.03720.23
7.0.00.0030.05320.09
5.6.210.0070.07720.52
5.6.200.0100.08018.24
5.6.190.0070.06720.52
5.6.180.0430.06320.55
5.6.170.0230.05320.50
5.6.160.0100.08020.54
5.6.150.0130.05318.18
5.6.140.0030.09018.18
5.6.130.0070.03718.26
5.6.120.0030.05320.93
5.6.110.0130.06020.97
5.6.100.0030.04021.00
5.6.90.0070.04021.15
5.6.80.0070.06320.42
5.5.350.0200.06320.48
5.5.340.0100.05317.97
5.5.330.0070.07020.21
5.5.320.0430.07320.30
5.5.310.0370.07720.30
5.5.300.0070.07018.04
5.5.290.0070.07318.05
5.5.280.0100.06020.89
5.5.270.0030.09020.67
5.5.260.0070.08020.75
5.5.250.0070.08020.59
5.5.240.0170.06720.20
5.4.450.0470.04319.31
5.4.440.0700.06019.19
5.4.430.0830.05019.69
5.4.420.0630.00019.39
5.4.410.0670.00019.32
5.4.400.0630.00019.09
5.4.390.0630.00019.07
5.4.380.0470.06018.80
5.4.370.0500.05018.73
5.4.360.0370.04318.79
5.4.350.0330.05718.57
5.4.340.0400.05318.52
5.4.320.0060.03712.51
5.4.310.0050.03812.51
5.4.300.0060.03612.52
5.4.290.0050.03812.50
5.4.280.0080.03312.41
5.4.270.0050.03912.40
5.4.260.0060.04712.40
5.4.250.0090.04712.40
5.4.240.0060.03912.41
5.4.230.0080.04312.39
5.4.220.0040.04812.39
5.4.210.0100.03712.39
5.4.200.0050.03812.39
5.4.190.0070.03512.39
5.4.180.0070.04312.39
5.4.170.0130.05212.40
5.4.160.0100.03612.40
5.4.150.0050.04012.40
5.4.140.0080.04112.08
5.4.130.0070.03912.07
5.4.120.0050.03612.02
5.4.110.0070.04212.02
5.4.100.0070.03712.02
5.4.90.0080.04312.02
5.4.80.0020.04012.02
5.4.70.0070.03312.02
5.4.60.0070.03612.02
5.4.50.0070.03312.02
5.4.40.0050.03612.01
5.4.30.0070.04312.00
5.4.20.0070.03412.00
5.4.10.0040.03612.00
5.4.00.0050.03611.49
5.3.290.0070.03812.80
5.3.280.0070.03612.71
5.3.270.0080.04012.72
5.3.260.0090.04012.72
5.3.250.0060.03912.72
5.3.240.0040.04312.72
5.3.230.0130.04312.70
5.3.220.0110.04812.68
5.3.210.0070.03812.68
5.3.200.0080.03812.68
5.3.190.0070.03712.68
5.3.180.0050.03812.67
5.3.170.0070.03612.67
5.3.160.0040.03812.67
5.3.150.0100.03312.67
5.3.140.0050.04012.66
5.3.130.0070.03812.66
5.3.120.0070.03812.66
5.3.110.0070.03812.66
5.3.100.0070.03612.13
5.3.90.0070.03612.11
5.3.80.0070.03812.10
5.3.70.0060.03612.10
5.3.60.0050.03712.08
5.3.50.0080.03912.04
5.3.40.0070.04312.04
5.3.30.0100.03412.00
5.3.20.0040.03711.77
5.3.10.0040.03611.74
5.3.00.0060.03511.74
5.2.170.0060.0289.22
5.2.160.0080.0309.23
5.2.150.0020.0339.23
5.2.140.0050.0309.22
5.2.130.0040.0299.18
5.2.120.0030.0309.18
5.2.110.0030.0319.19
5.2.100.0050.0299.19
5.2.90.0090.0289.18
5.2.80.0040.0319.18
5.2.70.0070.0299.18
5.2.60.0050.0299.14
5.2.50.0030.0319.10
5.2.40.0060.0279.07
5.2.30.0020.0329.05
5.2.20.0030.0309.04
5.2.10.0040.0288.94
5.2.00.0060.0288.81
5.1.60.0020.0268.09
5.1.50.0040.0258.09
5.1.40.0040.0268.07
5.1.30.0050.0328.42
5.1.20.0040.0318.45
5.1.10.0030.0298.16
5.1.00.0060.0248.16
5.0.50.0050.0206.65
5.0.40.0010.0226.50
5.0.30.0040.0306.32
5.0.20.0030.0256.28
5.0.10.0040.0206.26
5.0.00.0030.0316.25
4.4.90.0000.0184.78
4.4.80.0030.0154.75
4.4.70.0030.0164.75
4.4.60.0050.0134.76
4.4.50.0050.0134.77
4.4.40.0020.0264.70
4.4.30.0040.0144.75
4.4.20.0020.0164.85
4.4.10.0030.0154.85
4.4.00.0050.0224.76
4.3.110.0020.0164.66
4.3.100.0030.0154.67
4.3.90.0030.0144.64
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0020.0204.63
4.3.40.0030.0234.54
4.3.30.0000.0183.30
4.3.20.0010.0163.28
4.3.10.0020.0153.24
4.3.00.0130.01314.30

preferences:
38.17 ms | 401 KiB | 5 Q