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 $t = strval('tst'); echo $t.PHP_EOL.$t; /* 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)
8.3.60.0110.01118.56
8.3.50.0110.00321.98
8.3.40.0120.00318.48
8.3.30.0000.01419.04
8.3.20.0060.00320.09
8.3.10.0080.00022.27
8.3.00.0000.00822.46
8.2.180.0110.00416.50
8.2.170.0090.00622.96
8.2.160.0110.00720.81
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0050.00317.63
8.2.110.0090.00022.26
8.2.100.0090.00317.71
8.2.90.0000.00818.92
8.2.80.0050.00317.97
8.2.70.0000.00817.75
8.2.60.0050.00318.04
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0070.00017.93
8.2.20.0050.00217.79
8.2.10.0040.00419.61
8.2.00.0070.00017.80
8.1.280.0070.00725.92
8.1.270.0030.00523.79
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00318.48
8.1.230.0000.01119.20
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0000.00817.50
8.1.180.0040.00418.10
8.1.170.0030.00618.64
8.1.160.0040.00421.99
8.1.150.0040.00418.57
8.1.140.0000.01017.38
8.1.130.0080.00017.82
8.1.120.0050.00217.51
8.1.110.0040.00417.47
8.1.100.0060.00317.46
8.1.90.0040.00417.34
8.1.80.0030.00517.38
8.1.70.0040.00417.43
8.1.60.0000.00817.50
8.1.50.0000.00917.41
8.1.40.0000.00717.48
8.1.30.0070.00417.53
8.1.20.0050.00317.63
8.1.10.0000.00817.48
8.1.00.0030.00617.43
8.0.300.0040.00418.77
8.0.290.0060.00317.05
8.0.280.0000.00718.35
8.0.270.0000.00717.16
8.0.260.0000.00816.88
8.0.250.0000.00716.88
8.0.240.0070.00017.04
8.0.230.0030.00316.91
8.0.220.0070.00016.95
8.0.210.0040.00416.94
8.0.200.0000.00616.89
8.0.190.0000.00717.00
8.0.180.0040.00416.86
8.0.170.0070.00016.87
8.0.160.0000.00816.81
8.0.150.0070.00016.84
8.0.140.0030.00316.87
8.0.130.0030.00313.38
8.0.120.0070.00016.91
8.0.110.0000.00716.88
8.0.100.0050.00216.98
8.0.90.0000.00716.91
8.0.80.0080.00616.91
8.0.70.0000.00816.99
8.0.60.0070.00017.01
8.0.50.0050.00216.83
8.0.30.0090.00916.85
8.0.20.0090.01017.42
8.0.10.0040.00417.07
8.0.00.0080.01016.83
7.4.330.0000.00515.00
7.4.320.0000.00716.59
7.4.300.0000.00716.41
7.4.290.0030.00316.64
7.4.280.0020.00516.49
7.4.270.0000.00716.48
7.4.260.0030.00316.58
7.4.250.0000.00816.64
7.4.240.0030.00416.49
7.4.230.0030.00316.39
7.4.220.0140.00716.46
7.4.210.0090.00516.50
7.4.200.0070.00016.39
7.4.190.0070.00016.61
7.4.160.0120.00416.46
7.4.150.0140.00317.40
7.4.140.0100.00917.86
7.4.130.0090.01216.49
7.4.120.0100.00916.50
7.4.110.0180.00016.47
7.4.100.0120.00616.39
7.4.90.0070.01016.56
7.4.80.0030.01419.39
7.4.70.0170.00016.39
7.4.60.0100.00716.50
7.4.50.0090.00016.38
7.4.40.0060.01222.77
7.4.30.0110.00816.45
7.4.00.0070.01014.88
7.3.330.0000.00513.14
7.3.320.0030.00313.28
7.3.310.0000.00716.25
7.3.300.0000.00716.38
7.3.290.0110.00316.35
7.3.280.0100.00916.37
7.3.270.0100.00717.40
7.3.260.0090.00916.27
7.3.250.0050.01516.31
7.3.240.0100.01316.28
7.3.230.0090.00916.39
7.3.210.0090.00916.44
7.3.200.0100.00619.39
7.3.190.0140.01016.38
7.3.180.0100.00616.49
7.3.170.0100.01016.55
7.3.160.0130.00316.52
7.3.120.0110.00414.51
7.2.330.0090.00916.66
7.2.320.0070.01416.68
7.2.310.0030.01516.69
7.2.300.0120.00916.67
7.2.290.0030.01316.54
7.2.00.0000.01419.48
7.1.200.0030.01315.75
7.1.100.0030.01018.10
7.1.70.0140.00416.74
7.1.60.0130.00619.82
7.1.50.0080.00816.90
7.1.00.0070.07022.33
7.0.200.0000.01016.62
7.0.140.0030.07022.05
7.0.60.0070.05719.97
7.0.50.0100.07717.80
7.0.40.0100.08020.42
7.0.30.0130.05020.18
7.0.20.0170.04020.30
7.0.10.0130.07720.02
7.0.00.0070.05720.17
5.6.280.0000.09321.04
5.6.210.0130.06020.66
5.6.200.0030.08718.11
5.6.190.0070.08320.60
5.6.180.0170.08020.41
5.6.170.0170.05020.53
5.6.160.0100.07720.51
5.6.150.0100.07718.21
5.6.140.0030.04318.12
5.6.130.0030.07018.17
5.6.120.0100.07721.00
5.6.110.0070.05720.95
5.6.100.0100.05721.03
5.6.90.0070.04321.11
5.6.80.0030.06720.36
5.5.350.0070.04020.42
5.5.340.0100.08017.96
5.5.330.0100.08020.30
5.5.320.0300.05720.30
5.5.310.0230.06320.41
5.5.300.0100.07717.91
5.5.290.0070.03717.87
5.5.280.0100.05720.76
5.5.270.0000.05020.86
5.5.260.0030.05320.79
5.5.250.0070.07720.60
5.5.240.0030.07720.27
5.4.450.0130.06019.11
5.4.440.0570.04319.42
5.4.430.0330.04719.55
5.4.420.0670.04019.57
5.4.410.0200.03319.34
5.4.400.0500.03718.93
5.4.390.0270.04318.81
5.4.380.0370.04718.66
5.4.370.0330.05018.70
5.4.360.0300.04718.62
5.4.350.0370.06018.67
5.4.340.0370.06018.59
5.4.320.0060.04112.45
5.4.310.0050.04312.45
5.4.300.0060.03612.45
5.4.290.0070.04012.45
5.4.280.0070.03312.32
5.4.270.0050.03612.32
5.4.260.0050.03712.32
5.4.250.0030.03912.32
5.4.240.0070.03812.32
5.4.230.0050.03812.31
5.4.220.0130.04512.31
5.4.210.0040.03612.31
5.4.200.0050.03712.31
5.4.190.0060.03412.30
5.4.180.0050.03612.31
5.4.170.0050.03712.32
5.4.160.0050.03612.31
5.4.150.0070.04112.31
5.4.140.0050.03711.99
5.4.130.0080.04011.98
5.4.120.0070.03911.94
5.4.110.0030.03711.94
5.4.100.0050.03511.94
5.4.90.0030.03911.93
5.4.80.0070.03911.93
5.4.70.0080.03811.93
5.4.60.0060.03411.93
5.4.50.0070.03411.93
5.4.40.0050.03411.92
5.4.30.0080.03211.92
5.4.20.0070.03211.92
5.4.10.0070.03311.92
5.4.00.0060.03511.41
5.3.290.0090.03712.80
5.3.280.0060.03712.71
5.3.270.0060.04012.72
5.3.260.0050.04012.72
5.3.250.0060.03912.72
5.3.240.0070.03612.72
5.3.230.0050.04012.71
5.3.220.0070.04012.68
5.3.210.0070.03712.68
5.3.200.0030.04012.68
5.3.190.0060.04412.68
5.3.180.0050.03812.67
5.3.170.0080.03612.67
5.3.160.0070.03612.67
5.3.150.0070.03712.67
5.3.140.0070.03512.66
5.3.130.0050.03912.66
5.3.120.0020.04312.66
5.3.110.0090.03512.66
5.3.100.0070.03512.12
5.3.90.0060.03412.09
5.3.80.0070.03512.07
5.3.70.0050.03812.07
5.3.60.0070.03612.06
5.3.50.0070.03412.00
5.3.40.0030.03812.00
5.3.30.0080.03211.94
5.3.20.0050.03611.70
5.3.10.0060.03511.67
5.3.00.0060.03511.66
5.2.170.0080.0309.15
5.2.160.0060.0279.15
5.2.150.0070.0349.15
5.2.140.0040.0339.15
5.2.130.0070.0279.11
5.2.120.0040.0379.11
5.2.110.0060.0299.12
5.2.100.0060.0289.12
5.2.90.0050.0429.11
5.2.80.0030.0349.11
5.2.70.0060.0339.11
5.2.60.0010.0339.06
5.2.50.0030.0309.04
5.2.40.0030.0309.00
5.2.30.0050.0298.99
5.2.20.0040.0288.97
5.2.10.0080.0258.90
5.2.00.0050.0278.76
5.1.60.0040.0238.04
5.1.50.0060.0228.05
5.1.40.0020.0268.02
5.1.30.0040.0258.37
5.1.20.0060.0258.39
5.1.10.0020.0288.13
5.1.00.0030.0268.12
5.0.50.0060.0196.59
5.0.40.0040.0196.46
5.0.30.0040.0306.27
5.0.20.0040.0186.25
5.0.10.0030.0196.22
5.0.00.0040.0296.21
4.4.90.0010.0174.78
4.4.80.0020.0164.76
4.4.70.0010.0164.75
4.4.60.0010.0174.76
4.4.50.0050.0134.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0050.0134.84
4.4.10.0020.0164.85
4.4.00.0010.0264.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0050.0124.63
4.3.50.0000.0184.63
4.3.40.0030.0314.54
4.3.30.0040.0143.27
4.3.20.0030.0203.25
4.3.10.0010.0163.22
4.3.00.0070.01313.29

preferences:
43.07 ms | 401 KiB | 5 Q