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 = '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)
8.3.60.0150.00618.18
8.3.50.0120.00721.95
8.3.40.0040.01118.84
8.3.30.0040.01118.92
8.3.20.0040.00420.09
8.3.10.0080.00022.15
8.3.00.0040.00422.46
8.2.180.0080.00816.63
8.2.170.0120.00922.96
8.2.160.0070.00720.84
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00817.63
8.2.110.0050.00520.33
8.2.100.0040.00817.78
8.2.90.0000.00719.05
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0080.00417.93
8.2.50.0060.00318.07
8.2.40.0000.00818.34
8.2.30.0040.00418.09
8.2.20.0040.00417.59
8.2.10.0000.00717.67
8.2.00.0070.00017.56
8.1.280.0120.00325.92
8.1.270.0060.00322.06
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00621.13
8.1.230.0080.00417.52
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0100.00017.35
8.1.190.0000.00817.52
8.1.180.0040.00418.10
8.1.170.0050.00318.48
8.1.160.0040.00421.99
8.1.150.0000.00718.57
8.1.140.0040.00417.41
8.1.130.0000.00717.82
8.1.120.0040.00417.48
8.1.110.0000.00717.45
8.1.100.0040.00417.48
8.1.90.0000.00717.31
8.1.80.0000.00717.41
8.1.70.0000.00717.32
8.1.60.0000.00817.52
8.1.50.0030.00617.40
8.1.40.0040.00417.45
8.1.30.0080.00317.64
8.1.20.0080.00017.50
8.1.10.0000.00717.40
8.1.00.0060.00317.41
8.0.300.0070.00018.77
8.0.290.0040.00416.74
8.0.280.0070.00018.45
8.0.270.0070.00016.81
8.0.260.0000.00616.81
8.0.250.0030.00316.83
8.0.240.0070.00016.99
8.0.230.0050.00316.91
8.0.220.0070.00016.80
8.0.210.0000.00716.84
8.0.200.0000.00716.96
8.0.190.0040.00417.01
8.0.180.0000.00816.95
8.0.170.0030.00716.84
8.0.160.0030.00716.73
8.0.150.0030.00616.74
8.0.140.0070.00016.80
8.0.130.0000.00613.29
8.0.120.0080.00016.87
8.0.110.0040.00416.84
8.0.100.0040.00416.75
8.0.90.0040.00416.95
8.0.80.0070.00716.84
8.0.70.0050.00316.78
8.0.60.0040.00416.76
8.0.50.0000.00816.84
8.0.30.0100.01316.92
8.0.20.0080.01317.40
8.0.10.0080.00016.89
8.0.00.0130.00816.70
7.4.330.0020.00215.07
7.4.320.0060.00016.54
7.4.300.0030.00316.60
7.4.290.0040.00416.60
7.4.280.0040.00416.57
7.4.270.0050.00216.58
7.4.260.0030.00316.62
7.4.250.0000.00716.56
7.4.240.0070.00016.50
7.4.230.0000.00716.40
7.4.220.0120.00616.68
7.4.210.0090.00716.52
7.4.200.0030.00516.35
7.4.190.0000.00816.73
7.4.160.0120.00316.50
7.4.150.0090.00917.40
7.4.140.0070.01517.86
7.4.130.0090.00916.53
7.4.120.0130.00716.42
7.4.110.0060.01116.55
7.4.100.0090.00916.45
7.4.90.0140.00516.48
7.4.80.0060.01319.39
7.4.70.0080.00816.54
7.4.60.0150.00616.42
7.4.50.0020.00216.62
7.4.40.0040.01122.77
7.4.30.0030.01516.67
7.4.00.0000.01615.10
7.3.330.0050.00013.21
7.3.320.0000.00613.20
7.3.310.0060.00316.44
7.3.300.0000.00716.23
7.3.290.0090.01216.32
7.3.280.0090.01016.34
7.3.270.0040.01217.40
7.3.260.0120.00616.53
7.3.250.0100.01016.44
7.3.240.0140.00416.34
7.3.230.0030.01416.46
7.3.210.0110.00516.50
7.3.200.0140.00719.39
7.3.190.0110.01116.44
7.3.180.0060.01016.44
7.3.170.0030.01316.44
7.3.160.0100.00716.55
7.3.120.0130.00314.91
7.2.330.0150.00316.29
7.2.320.0080.00816.40
7.2.310.0000.01816.64
7.2.300.0090.00916.67
7.2.290.0140.00316.65
7.2.00.0080.00419.41
7.1.200.0060.00315.55
7.1.100.0000.01217.86
7.1.70.0060.00616.87
7.1.60.0090.01619.82
7.1.50.0070.01416.92
7.1.00.0000.08022.30
7.0.200.0000.00816.40
7.0.140.0030.07322.11
7.0.60.0100.07319.85
7.0.50.0070.06717.80
7.0.40.0130.07020.05
7.0.30.0200.05020.01
7.0.20.0370.05320.23
7.0.10.0100.08320.33
7.0.00.0030.05020.09
5.6.280.0030.07321.04
5.6.210.0030.05720.50
5.6.200.0100.03318.22
5.6.190.0000.05020.39
5.6.180.0300.07020.53
5.6.170.0300.07320.47
5.6.160.0100.03720.50
5.6.150.0100.04318.14
5.6.140.0030.04318.16
5.6.130.0070.08018.18
5.6.120.0000.05320.96
5.6.110.0070.09020.95
5.6.100.0070.08321.00
5.6.90.0000.04321.09
5.6.80.0200.07020.38
5.6.70.0300.03720.49
5.5.350.0130.07320.28
5.5.340.0100.08317.95
5.5.330.0030.08320.37
5.5.320.0270.04320.13
5.5.310.0230.04720.29
5.5.300.0130.07317.98
5.5.290.0070.05717.95
5.5.280.0000.04720.64
5.5.270.0070.06320.76
5.5.260.0100.05720.83
5.5.250.0070.06320.47
5.5.240.0070.06720.14
5.4.450.0200.06019.63
5.4.440.0800.05719.48
5.4.430.0130.05319.37
5.4.420.0700.05719.54
5.4.410.0700.06019.50
5.4.400.1070.06719.05
5.4.390.0830.05719.27
5.4.380.0100.06018.72
5.4.370.0300.04318.73
5.4.360.0200.04718.46
5.4.350.0170.05718.52
5.4.340.0230.05318.46
5.4.320.0050.03612.45
5.4.310.0080.03512.45
5.4.300.0050.04712.45
5.4.290.0070.04112.45
5.4.280.0060.03512.32
5.4.270.0050.03712.32
5.4.260.0040.03912.32
5.4.250.0070.03612.32
5.4.240.0080.03412.32
5.4.230.0080.04112.31
5.4.220.0070.03612.31
5.4.210.0050.03712.31
5.4.200.0050.03812.31
5.4.190.0100.03212.30
5.4.180.0030.03912.30
5.4.170.0050.03612.32
5.4.160.0080.03312.31
5.4.150.0110.04112.31
5.4.140.0080.03612.00
5.4.130.0040.03911.98
5.4.120.0070.03611.94
5.4.110.0050.03611.94
5.4.100.0040.04811.94
5.4.90.0080.03611.94
5.4.80.0080.04111.94
5.4.70.0040.04111.93
5.4.60.0070.03711.93
5.4.50.0060.03511.93
5.4.40.0050.03611.92
5.4.30.0050.03611.91
5.4.20.0070.03411.92
5.4.10.0030.03711.92
5.4.00.0070.04411.41
5.3.290.0040.04112.80
5.3.280.0050.04012.70
5.3.270.0090.03512.72
5.3.260.0060.03812.71
5.3.250.0050.03712.72
5.3.240.0060.03612.72
5.3.230.0060.03712.70
5.3.220.0080.03812.68
5.3.210.0090.03612.68
5.3.200.0060.03812.68
5.3.190.0040.04012.68
5.3.180.0060.03712.68
5.3.170.0070.03712.67
5.3.160.0090.03712.67
5.3.150.0040.04512.67
5.3.140.0090.03512.66
5.3.130.0140.04412.65
5.3.120.0100.04412.66
5.3.110.0040.04012.66
5.3.100.0070.03512.12
5.3.90.0060.03612.09
5.3.80.0070.03512.07
5.3.70.0080.03412.08
5.3.60.0070.03712.06
5.3.50.0050.04012.00
5.3.40.0080.03412.00
5.3.30.0030.03911.94
5.3.20.0100.04011.70
5.3.10.0070.05111.66
5.3.00.0060.03611.66
5.2.170.0050.0319.15
5.2.160.0060.0279.15
5.2.150.0010.0349.15
5.2.140.0040.0339.14
5.2.130.0040.0309.11
5.2.120.0030.0319.11
5.2.110.0040.0319.12
5.2.100.0070.0309.11
5.2.90.0110.0369.11
5.2.80.0040.0329.11
5.2.70.0090.0269.11
5.2.60.0060.0289.06
5.2.50.0050.0309.03
5.2.40.0040.0309.01
5.2.30.0050.0298.99
5.2.20.0060.0288.97
5.2.10.0050.0278.90
5.2.00.0030.0308.76
5.1.60.0030.0248.05
5.1.50.0040.0248.04
5.1.40.0060.0228.03
5.1.30.0050.0258.38
5.1.20.0070.0238.40
5.1.10.0060.0238.13
5.1.00.0070.0228.13
5.0.50.0050.0196.60
5.0.40.0040.0186.46
5.0.30.0040.0396.26
5.0.20.0030.0196.24
5.0.10.0050.0196.22
5.0.00.0050.0356.21
4.4.90.0020.0164.78
4.4.80.0030.0184.76
4.4.70.0050.0184.76
4.4.60.0040.0144.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0020.0154.76
4.4.20.0010.0174.85
4.4.10.0030.0154.85
4.4.00.0020.0264.75
4.3.110.0050.0134.67
4.3.100.0030.0204.66
4.3.90.0020.0154.63
4.3.80.0020.0274.58
4.3.70.0040.0154.63
4.3.60.0040.0154.63
4.3.50.0040.0144.62
4.3.40.0020.0244.53
4.3.30.0020.0163.27
4.3.20.0030.0153.25
4.3.10.0020.0213.21
4.3.00.0070.0236.85

preferences:
45.99 ms | 401 KiB | 5 Q