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 = 'test'; 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)
8.3.60.0110.00418.55
8.3.50.0140.00622.12
8.3.40.0070.00718.67
8.3.30.0130.00619.09
8.3.20.0040.00420.39
8.3.10.0110.00421.98
8.3.00.0030.00522.27
8.2.180.0110.01116.75
8.2.170.0140.00022.96
8.2.160.0070.00720.99
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0090.00017.38
8.2.110.0030.00722.13
8.2.100.0040.00817.84
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0000.00717.97
8.2.30.0060.00318.07
8.2.20.0040.00417.53
8.2.10.0040.00419.38
8.2.00.0080.00017.73
8.1.280.0070.01425.92
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0000.00923.88
8.1.230.0040.00819.16
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0000.00817.43
8.1.180.0030.00618.10
8.1.170.0040.00418.67
8.1.160.0000.00821.88
8.1.150.0000.00818.68
8.1.140.0080.00417.46
8.1.130.0000.00717.82
8.1.120.0040.00417.46
8.1.110.0030.00617.38
8.1.100.0000.00817.32
8.1.90.0070.00017.42
8.1.80.0000.00817.51
8.1.70.0030.00317.41
8.1.60.0030.00517.46
8.1.50.0050.00217.55
8.1.40.0040.00417.49
8.1.30.0060.00317.57
8.1.20.0000.00817.63
8.1.10.0000.00717.41
8.1.00.0040.00417.33
8.0.300.0070.00018.77
8.0.290.0000.00717.18
8.0.280.0000.00818.45
8.0.270.0030.00517.12
8.0.260.0000.00616.79
8.0.250.0030.00316.95
8.0.240.0040.00417.03
8.0.230.0040.00417.02
8.0.220.0050.00216.98
8.0.210.0000.00716.84
8.0.200.0080.00016.99
8.0.190.0000.00717.03
8.0.180.0040.00317.02
8.0.170.0040.00417.01
8.0.160.0040.00416.89
8.0.150.0000.00816.79
8.0.140.0030.00516.95
8.0.130.0030.00313.34
8.0.120.0070.00016.92
8.0.110.0040.00416.79
8.0.100.0000.00716.78
8.0.90.0000.00716.73
8.0.80.0060.00916.96
8.0.70.0070.00016.84
8.0.60.0000.00717.01
8.0.50.0040.00416.84
8.0.30.0140.00617.10
8.0.20.0110.00817.40
8.0.10.0040.00417.08
8.0.00.0090.00916.76
7.4.330.0050.00015.14
7.4.320.0030.00316.59
7.4.300.0060.00016.57
7.4.290.0040.00416.49
7.4.280.0040.00416.63
7.4.270.0070.00016.49
7.4.260.0030.00316.50
7.4.250.0040.00416.56
7.4.240.0060.00216.44
7.4.230.0040.00416.42
7.4.220.0070.01016.50
7.4.210.0040.00916.57
7.4.200.0070.00016.34
7.4.190.0000.00716.66
7.4.160.0150.00016.50
7.4.150.0090.00917.40
7.4.140.0120.01217.86
7.4.130.0080.01416.50
7.4.120.0120.00516.54
7.4.110.0060.01116.66
7.4.100.0140.01116.39
7.4.90.0140.00316.39
7.4.80.0090.01519.39
7.4.70.0130.00316.54
7.4.60.0090.00616.51
7.4.50.0080.00016.32
7.4.40.0070.01022.77
7.4.30.0000.01716.60
7.4.00.0090.00315.03
7.3.330.0000.00513.28
7.3.320.0030.00313.13
7.3.310.0080.00016.45
7.3.300.0030.00316.23
7.3.290.0050.01016.41
7.3.280.0090.00816.37
7.3.270.0060.01717.40
7.3.260.0120.00616.52
7.3.250.0090.00816.58
7.3.240.0120.00616.44
7.3.230.0080.00816.39
7.3.210.0160.00916.46
7.3.200.0120.00919.39
7.3.190.0030.01316.46
7.3.180.0040.01416.41
7.3.170.0090.00616.55
7.3.160.0150.00616.38
7.3.120.0110.00415.11
7.3.10.0030.00916.65
7.3.00.0070.00716.73
7.2.330.0090.01016.71
7.2.320.0150.00316.80
7.2.310.0130.00316.50
7.2.300.0090.01316.73
7.2.290.0130.00316.68
7.2.130.0000.01416.77
7.2.120.0000.00816.68
7.2.110.0120.00016.72
7.2.100.0060.00616.88
7.2.90.0030.00916.94
7.2.80.0090.00617.11
7.2.70.0000.01517.12
7.2.60.0020.01216.75
7.2.50.0000.01516.70
7.2.40.0030.01016.61
7.2.30.0090.00017.08
7.2.20.0070.00317.00
7.2.10.0030.00617.00
7.2.00.0040.00918.18
7.1.250.0060.00615.98
7.1.240.0000.01315.69
7.1.230.0040.00715.80
7.1.220.0100.00715.69
7.1.210.0060.00315.55
7.1.200.0020.01215.62
7.1.190.0000.01215.75
7.1.180.0070.00315.77
7.1.170.0060.00915.75
7.1.160.0030.00615.87
7.1.150.0070.00715.95
7.1.140.0100.00315.63
7.1.130.0030.01315.69
7.1.120.0090.00615.70
7.1.110.0050.00315.70
7.1.100.0020.00816.76
7.1.90.0030.01315.50
7.1.80.0040.00815.84
7.1.70.0090.00316.49
7.1.60.0050.01117.86
7.1.50.0050.01316.25
7.1.40.0070.00715.60
7.1.30.0050.00515.76
7.1.20.0030.00615.80
7.1.10.0070.00715.57
7.1.00.0080.04019.03
7.0.330.0000.01015.49
7.0.320.0030.01015.41
7.0.310.0030.01315.25
7.0.300.0070.00715.27
7.0.290.0030.01015.11
7.0.280.0070.00715.24
7.0.270.0030.01315.29
7.0.260.0000.00815.34
7.0.250.0060.00915.34
7.0.240.0080.00415.17
7.0.230.0000.00815.52
7.0.220.0060.00615.33
7.0.210.0060.00615.39
7.0.200.0050.00615.92
7.0.190.0040.00415.36
7.0.180.0110.00315.37
7.0.170.0030.01015.52
7.0.160.0090.00615.32
7.0.150.0000.01015.30
7.0.140.0040.04118.64
7.0.130.0060.00615.24
7.0.120.0040.00415.17
7.0.110.0130.00315.09
7.0.100.0040.00415.11
7.0.90.0090.00315.04
7.0.80.0040.00415.36
7.0.70.0100.00015.27
7.0.60.0080.03317.68
7.0.50.0070.03216.55
7.0.40.0020.03016.70
7.0.30.0200.04016.86
7.0.20.0180.03516.71
7.0.10.0030.04416.59
7.0.00.0080.03416.62
5.6.380.0100.00314.13
5.6.370.0030.00814.22
5.6.360.0000.01514.13
5.6.350.0070.01014.33
5.6.340.0000.01514.43
5.6.330.0070.00713.94
5.6.320.0060.01014.10
5.6.310.0100.00314.12
5.6.300.0070.00713.94
5.6.290.0070.00313.93
5.6.280.0020.04117.61
5.6.270.0030.00914.16
5.6.260.0000.01114.25
5.6.250.0090.00614.20
5.6.240.0040.00413.91
5.6.230.0030.01013.83
5.6.220.0030.00714.23
5.6.210.0060.02117.41
5.6.200.0030.03616.22
5.6.190.0070.04717.28
5.6.180.0180.02817.55
5.6.170.0190.02817.39
5.6.160.0080.03517.26
5.6.150.0080.03316.24
5.6.140.0030.04416.42
5.6.130.0060.04616.34
5.6.120.0050.04717.62
5.6.110.0030.04517.62
5.6.100.0110.04117.74
5.6.90.0090.02317.57
5.6.80.0130.03617.39
5.6.70.0060.00614.21
5.6.60.0030.00914.02
5.6.50.0080.00414.21
5.6.40.0090.00314.13
5.6.30.0000.01214.14
5.6.20.0120.00014.00
5.6.10.0000.00914.16
5.6.00.0070.00714.08
5.5.380.0040.00810.73
5.5.370.0030.00510.73
5.5.360.0000.01211.07
5.5.350.0120.04015.54
5.5.340.0060.04114.44
5.5.330.0070.04515.60
5.5.320.0180.04215.54
5.5.310.0110.02615.61
5.5.300.0090.03514.50
5.5.290.0080.01814.43
5.5.280.0050.02715.82
5.5.270.0030.04815.68
5.5.260.0090.03815.97
5.5.250.0050.04315.56
5.5.240.0030.04015.37
5.5.230.0000.00611.05
5.5.220.0030.00710.84
5.5.210.0070.00311.05
5.5.200.0000.01211.05
5.5.190.0000.00610.82
5.5.180.0070.00310.71
5.5.170.0040.00411.08
5.5.160.0040.00811.13
5.5.150.0060.00611.07
5.5.140.0000.01011.14
5.5.130.0070.00010.98
5.5.120.0000.01010.69
5.5.110.0000.01010.63
5.5.100.0030.00310.88
5.5.90.0050.00010.83
5.5.80.0000.00710.82
5.5.70.0040.00710.73
5.5.60.0080.00310.95
5.5.50.0050.00010.85
5.5.40.0000.00710.74
5.5.30.0060.00610.80
5.5.20.0080.00010.92
5.5.10.0060.00310.95
5.5.00.0040.00810.81
5.4.450.0310.02815.26
5.4.440.0050.04015.11
5.4.430.0120.02515.19
5.4.420.0120.03715.09
5.4.410.0080.02714.90
5.4.400.0080.02714.72
5.4.390.0050.03114.72
5.4.380.0070.03214.57
5.4.370.0230.02314.73
5.4.360.0190.02414.88
5.4.350.0110.03114.63
5.4.340.0120.03314.77
5.4.330.0060.00310.85
5.4.320.0060.02011.68
5.4.310.0070.02111.65
5.4.300.0030.02211.46
5.4.290.0080.02111.54
5.4.280.0060.02411.39
5.4.270.0040.02211.44
5.4.260.0060.02211.58
5.4.250.0070.02011.50
5.4.240.0020.02211.54
5.4.230.0030.02211.41
5.4.220.0040.02311.59
5.4.210.0030.02311.52
5.4.200.0030.02311.38
5.4.190.0050.01911.54
5.4.180.0070.02011.63
5.4.170.0050.02111.52
5.4.160.0030.02011.51
5.4.150.0050.02011.49
5.4.140.0030.02411.48
5.4.130.0040.02011.32
5.4.120.0040.02111.36
5.4.110.0040.02111.40
5.4.100.0050.02011.28
5.4.90.0020.02411.36
5.4.80.0070.02011.42
5.4.70.0040.02411.30
5.4.60.0070.01611.22
5.4.50.0050.02111.33
5.4.40.0050.02011.29
5.4.30.0020.02511.32
5.4.20.0060.02111.31
5.4.10.0020.02611.28
5.4.00.0050.02211.09
5.3.290.0020.02511.59
5.3.280.0070.03011.47
5.3.270.0050.02011.57
5.3.260.0070.02011.60
5.3.250.0040.02211.55
5.3.240.0050.02211.45
5.3.230.0030.02311.49
5.3.220.0050.02411.41
5.3.210.0030.02311.46
5.3.200.0050.02411.37
5.3.190.0060.01911.41
5.3.180.0070.01811.60
5.3.170.0060.02211.55
5.3.160.0040.02011.58
5.3.150.0040.02011.58
5.3.140.0040.02111.52
5.3.130.0030.02211.52
5.3.120.0050.02411.45
5.3.110.0040.02211.56
5.3.100.0050.02111.29
5.3.90.0020.02311.36
5.3.80.0060.02011.25
5.3.70.0060.01811.22
5.3.60.0030.02211.11
5.3.50.0070.01811.16
5.3.40.0040.02011.13
5.3.30.0060.01911.13
5.3.20.0060.01910.97
5.3.10.0040.02210.83
5.3.00.0050.02110.89
5.2.170.0040.0159.40
5.2.160.0050.0159.40
5.2.150.0040.0179.40
5.2.140.0050.0169.40
5.2.130.0040.0169.38
5.2.120.0040.0159.39
5.2.110.0040.0179.38
5.2.100.0020.0169.38
5.2.90.0080.0149.38
5.2.80.0060.0159.38
5.2.70.0040.0169.38
5.2.60.0020.0189.36
5.2.50.0080.0149.34
5.2.40.0030.0179.33
5.2.30.0040.0189.32
5.2.20.0050.0169.31
5.2.10.0040.0159.28
5.2.00.0050.0159.21
5.1.60.0040.0148.85
5.1.50.0030.0148.85
5.1.40.0010.0168.84
5.1.30.0040.0169.01
5.1.20.0040.0159.03
5.1.10.0050.0128.89
5.1.00.0050.0148.89
5.0.50.0060.0098.12
5.0.40.0040.0168.06
5.0.30.0050.0227.96
5.0.20.0040.0107.95
5.0.10.0030.0137.94
5.0.00.0040.0167.93
4.4.90.0020.0097.22
4.4.80.0020.0097.20
4.4.70.0050.0077.20
4.4.60.0030.0097.21
4.4.50.0020.0097.21
4.4.40.0030.0157.18
4.4.30.0020.0107.21
4.4.20.0000.0137.25
4.4.10.0030.0087.25
4.4.00.0020.0157.21
4.3.110.0010.0137.16
4.3.100.0030.0117.16
4.3.90.0040.0097.14
4.3.80.0030.0157.12
4.3.70.0010.0107.14
4.3.60.0050.0087.14
4.3.50.0020.0127.14
4.3.40.0020.0167.10
4.3.30.0010.0116.46
4.3.20.0020.0136.45
4.3.10.0010.0116.43
4.3.00.0050.0128.23

preferences:
84.5 ms | 401 KiB | 5 Q