3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tst = '!!!!'; $a = '@@@'; $template = '{{$tst}}test{{$a}}'; $Bar = "a"; $Foo = "Bar"; $World = "Foo"; $Hello = "World"; $a = "Hello"; echo $a; //Returns Hello echo $$a; //Returns World echo $$$a; //Returns Foo /* if (preg_match_all("/{{(.*?)}}/", $template, $m)) { foreach ($m[1] as $i => $varname) { echo strval($varname).PHP_EOL.$m[0][$i].'===='.sprintf('$%s', $varname).PHP_EOL; //$template = str_replace($m[0][$i], ${$varname}, $template); } } $x = '###'.strval($a).PHP_EOL; echo $x; echo $template;*/

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)
8.3.60.0170.00018.23
8.3.50.0100.00521.89
8.3.40.0120.00318.52
8.3.30.0090.00618.92
8.3.20.0040.00420.29
8.3.10.0060.00321.88
8.3.00.0090.00022.34
8.2.180.0070.01118.44
8.2.170.0040.01122.96
8.2.160.0100.01020.70
8.2.150.0090.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0060.00319.23
8.2.110.0040.00419.39
8.2.100.0070.00418.03
8.2.90.0070.00019.13
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0090.00017.93
8.2.50.0050.00318.07
8.2.40.0030.00618.34
8.2.30.0070.00018.07
8.2.20.0040.00417.57
8.2.10.0040.00417.72
8.2.00.0040.00417.57
8.1.280.0110.00425.92
8.1.270.0050.00322.19
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00522.17
8.1.230.0080.00417.82
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00917.22
8.1.180.0040.00418.10
8.1.170.0060.00318.68
8.1.160.0000.00721.98
8.1.150.0020.00518.61
8.1.140.0050.00217.53
8.1.130.0000.00717.85
8.1.120.0040.00417.45
8.1.110.0000.00717.36
8.1.100.0040.00317.43
8.1.90.0040.00417.37
8.1.80.0040.00417.46
8.1.70.0040.00417.39
8.1.60.0000.00817.55
8.1.50.0000.00817.54
8.1.40.0000.00717.46
8.1.30.0080.00017.55
8.1.20.0030.00517.60
8.1.10.0030.00617.40
8.1.00.0040.00417.34
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.35
8.0.270.0000.00717.90
8.0.260.0000.00616.84
8.0.250.0000.00716.95
8.0.240.0000.00716.98
8.0.230.0040.00416.80
8.0.220.0000.00716.75
8.0.210.0000.00716.78
8.0.200.0030.00316.90
8.0.190.0040.00416.81
8.0.180.0040.00416.90
8.0.170.0040.00416.89
8.0.160.0050.00216.88
8.0.150.0040.00416.77
8.0.140.0000.00716.82
8.0.130.0000.00613.28
8.0.120.0040.00416.88
8.0.110.0040.00416.79
8.0.100.0040.00416.75
8.0.90.0080.00016.74
8.0.80.0030.01716.83
8.0.70.0050.00316.89
8.0.60.0040.00416.77
8.0.50.0000.00716.91
8.0.30.0140.00717.11
8.0.20.0120.01017.40
8.0.10.0040.00417.06
8.0.00.0070.01116.65
7.4.330.0060.00015.00
7.4.320.0060.00016.49
7.4.300.0060.00016.62
7.4.290.0040.00416.46
7.4.280.0000.00816.60
7.4.270.0040.00416.63
7.4.260.0030.00316.57
7.4.250.0020.00516.55
7.4.240.0050.00216.54
7.4.230.0030.00316.68
7.4.220.0000.01716.55
7.4.210.0080.00716.47
7.4.200.0030.00316.58
7.4.190.0040.00416.46
7.4.160.0130.00316.46
7.4.150.0070.01117.40
7.4.140.0080.01117.86
7.4.130.0060.01416.65
7.4.120.0130.00416.44
7.4.110.0030.01316.44
7.4.100.0060.01216.59
7.4.90.0080.00816.40
7.4.80.0030.01519.39
7.4.70.0060.01116.50
7.4.60.0130.00316.62
7.4.50.0040.00416.29
7.4.40.0060.00722.77
7.4.30.0130.00316.52
7.4.00.0030.01115.10
7.3.330.0030.00213.15
7.3.320.0030.00313.05
7.3.310.0070.00016.26
7.3.300.0030.00316.34
7.3.290.0040.01116.20
7.3.280.0080.00816.22
7.3.270.0070.01117.40
7.3.260.0130.00416.42
7.3.250.0080.01416.31
7.3.240.0100.00716.24
7.3.230.0070.01116.51
7.3.210.0150.00416.48
7.3.200.0090.00919.39
7.3.190.0130.00816.50
7.3.180.0130.00316.34
7.3.170.0090.00616.50
7.3.160.0060.00916.34
7.3.120.0070.01014.79
7.2.330.0000.01616.57
7.2.320.0090.00916.61
7.2.310.0090.00916.31
7.2.300.0130.00316.63
7.2.290.0120.00316.56
7.2.00.0090.00919.08
7.1.100.0080.00318.07
7.1.70.0080.00016.92
7.1.60.0070.01319.82
7.1.50.0040.01516.89
7.1.00.0030.06722.51
7.0.200.0000.00916.62
7.0.140.0070.07022.18
7.0.60.0100.07319.89
7.0.50.0170.03017.79
7.0.40.0130.08020.04
7.0.30.0300.07720.30
7.0.20.0270.08019.99
7.0.10.0270.04320.33
7.0.00.0030.04320.16
5.6.280.0030.07321.05
5.6.210.0030.05020.61
5.6.200.0070.08018.18
5.6.190.0030.04320.43
5.6.180.0200.04020.42
5.6.170.0370.07320.49
5.6.160.0130.07320.38
5.6.150.0100.07018.20
5.6.140.0130.07318.15
5.6.130.0170.04718.19
5.6.120.0100.07021.11
5.6.110.0030.04321.00
5.6.100.0070.08721.02
5.6.90.0130.08320.87
5.6.80.0100.05320.36
5.6.70.0330.07020.52
5.5.350.0270.08020.35
5.5.340.0170.06318.02
5.5.330.0030.08720.13
5.5.320.0330.07020.25
5.5.310.0200.04020.18
5.5.300.0000.08717.95
5.5.290.0070.08717.91
5.5.280.0000.05320.96
5.5.270.0130.07720.75
5.5.260.0100.08320.75
5.5.250.0130.05720.70
5.5.240.0000.04320.33
5.4.450.0700.05019.27
5.4.440.0900.08019.10
5.4.430.0100.06319.32
5.4.420.0100.07019.48
5.4.410.0200.06318.88
5.4.400.0130.05318.72
5.4.390.0230.04318.64
5.4.380.0230.05718.59
5.4.370.0130.05318.70
5.4.360.0170.05018.61
5.4.350.0230.04718.57
5.4.340.0130.05318.70
5.4.320.0100.04912.45
5.4.310.0050.04012.45
5.4.300.0040.04112.45
5.4.290.0040.04012.45
5.4.280.0060.03612.32
5.4.270.0070.03712.32
5.4.260.0040.04112.32
5.4.250.0050.04012.32
5.4.240.0060.03712.32
5.4.230.0090.03712.31
5.4.220.0080.04612.31
5.4.210.0060.04012.31
5.4.200.0090.03612.31
5.4.190.0040.04012.31
5.4.180.0070.03712.31
5.4.170.0060.03812.32
5.4.160.0080.03812.31
5.4.150.0080.03712.31
5.4.140.0030.04212.00
5.4.130.0040.03811.98
5.4.120.0090.03311.94
5.4.110.0050.03611.94
5.4.100.0050.03811.93
5.4.90.0020.04111.94
5.4.80.0040.04011.94
5.4.70.0040.03711.93
5.4.60.0080.04111.93
5.4.50.0060.03511.93
5.4.40.0070.03711.92
5.4.30.0060.04111.92
5.4.20.0050.05411.92
5.4.10.0090.04611.92
5.4.00.0040.05111.41
5.3.290.0040.04112.80
5.3.280.0130.04012.71
5.3.270.0040.04812.72
5.3.260.0050.04112.71
5.3.250.0070.03712.72
5.3.240.0030.04112.72
5.3.230.0080.04112.71
5.3.220.0100.03812.68
5.3.210.0070.03912.68
5.3.200.0160.02912.68
5.3.190.0080.04712.68
5.3.180.0040.04212.67
5.3.170.0070.03612.67
5.3.160.0040.04012.68
5.3.150.0090.04812.67
5.3.140.0090.04812.66
5.3.130.0120.04912.66
5.3.120.0080.03812.66
5.3.110.0060.03912.66
5.3.100.0050.03712.12
5.3.90.0040.03912.08
5.3.80.0060.03712.07
5.3.70.0060.03712.07
5.3.60.0040.03812.06
5.3.50.0030.03912.00
5.3.40.0120.03812.00
5.3.30.0060.03711.94
5.3.20.0070.03411.72
5.3.10.0070.03411.67
5.3.00.0030.03811.66
5.2.170.0070.0289.15
5.2.160.0020.0329.15
5.2.150.0050.0329.15
5.2.140.0030.0329.15
5.2.130.0060.0269.10
5.2.120.0050.0289.11
5.2.110.0020.0329.12
5.2.100.0040.0289.12
5.2.90.0050.0319.11
5.2.80.0060.0309.11
5.2.70.0070.0289.11
5.2.60.0010.0339.06
5.2.50.0040.0319.03
5.2.40.0050.0289.00
5.2.30.0040.0308.98
5.2.20.0070.0268.96
5.2.10.0040.0288.89
5.2.00.0040.0308.76
5.1.60.0060.0278.04
5.1.50.0070.0248.04
5.1.40.0050.0238.02
5.1.30.0050.0348.37
5.1.20.0020.0298.39
5.1.10.0070.0248.12
5.1.00.0110.0298.13
5.0.50.0020.0306.59
5.0.40.0080.0246.46
5.0.30.0050.0396.27
5.0.20.0030.0216.24
5.0.10.0040.0276.22
5.0.00.0040.0386.21
4.4.90.0030.0164.78
4.4.80.0010.0194.75
4.4.70.0030.0164.75
4.4.60.0050.0144.76
4.4.50.0020.0184.77
4.4.40.0030.0264.71
4.4.30.0050.0144.75
4.4.20.0050.0144.84
4.4.10.0040.0174.84
4.4.00.0020.0264.75
4.3.110.0030.0154.67
4.3.100.0050.0134.66
4.3.90.0010.0174.64
4.3.80.0030.0254.58
4.3.70.0030.0164.63
4.3.60.0030.0184.63
4.3.50.0010.0184.63
4.3.40.0000.0274.53
4.3.30.0020.0173.27
4.3.20.0010.0183.25
4.3.10.0030.0173.21
4.3.00.0030.01713.28

preferences:
52.73 ms | 401 KiB | 5 Q