3v4l.org

run code in 300+ PHP versions simultaneously
<?php function var_import($var) { if (strcasecmp($var, 'null') === 0) { return null; } if (strcasecmp($var, 'true') === 0) { return true; } if (strcasecmp($var, 'false') === 0) { return false; } if ($var === ((string) (int) $var)) { return (int) $var; } if ($var === ((string) (float) $var)) { return (float) $var; } if (preg_match('<^"((?:[^"\\\\]|\\\\.)*)"|\'((?:[^\'\\\\]|\\\\.)*)\'$>', $str)) { return eval('return ' . $var . ';'); } throw new YUNOMAEKSENSEException('dumbass.'); } foreach ([ '1', '2.3', 'true', 'FALSE', 'Null', '"foo\nbar"', 'foobar', ] as $var) { ob_start(); var_dump(var_import($var)); echo sprintf('"%s" => %s', $var, trim(ob_get_clean())) . PHP_EOL; }

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)
8.3.60.0140.00418.55
8.3.50.0120.00822.98
8.3.40.0060.00918.93
8.3.30.0110.00418.80
8.3.20.0050.00220.11
8.3.10.0050.00323.65
8.3.00.0030.00619.59
8.2.180.0080.01216.47
8.2.170.0120.00619.01
8.2.160.0070.00722.96
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.01126.16
8.2.120.0050.00319.61
8.2.110.0040.00722.16
8.2.100.0040.00818.11
8.2.90.0030.00519.16
8.2.80.0080.00017.97
8.2.70.0030.00617.88
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0030.00519.94
8.2.30.0000.00818.18
8.2.20.0030.00617.91
8.2.10.0000.00818.11
8.2.00.0000.00717.85
8.1.280.0140.00025.92
8.1.270.0090.00024.01
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.88
8.1.230.0070.00420.88
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00717.47
8.1.190.0080.00017.34
8.1.180.0040.00418.10
8.1.170.0060.00318.70
8.1.160.0070.00021.97
8.1.150.0000.00718.87
8.1.140.0040.00417.51
8.1.130.0000.00717.75
8.1.120.0040.00417.57
8.1.110.0000.00817.46
8.1.100.0030.00517.57
8.1.90.0070.00017.55
8.1.80.0050.00317.44
8.1.70.0060.00317.50
8.1.60.0000.00817.58
8.1.50.0030.00517.67
8.1.40.0030.00617.55
8.1.30.0080.00017.76
8.1.20.0050.00317.78
8.1.10.0040.00417.72
8.1.00.0080.00017.53
8.0.300.0020.00518.77
8.0.290.0040.00416.88
8.0.280.0030.00318.40
8.0.270.0040.00417.30
8.0.260.0070.00017.21
8.0.250.0070.00017.23
8.0.240.0030.00317.25
8.0.230.0070.00017.16
8.0.220.0000.00717.11
8.0.210.0000.00717.11
8.0.200.0070.00017.07
8.0.190.0000.00717.06
8.0.180.0000.00717.11
8.0.170.0000.00717.13
8.0.160.0050.00317.20
8.0.150.0030.00617.16
8.0.140.0050.00216.98
8.0.130.0000.00613.59
8.0.120.0000.00917.10
8.0.110.0030.00517.19
8.0.100.0000.00717.03
8.0.90.0040.00417.17
8.0.80.0040.01517.07
8.0.70.0000.00817.07
8.0.60.0000.00816.93
8.0.50.0000.00817.13
8.0.30.0060.01317.36
8.0.20.0170.00517.40
8.0.10.0000.00817.08
8.0.00.0120.00517.16
7.4.330.0000.00615.08
7.4.320.0000.00616.73
7.4.300.0030.00316.69
7.4.290.0050.00216.75
7.4.280.0040.00416.67
7.4.270.0070.00016.68
7.4.260.0030.00316.78
7.4.250.0040.00416.76
7.4.240.0030.00416.62
7.4.230.0000.00716.86
7.4.220.0100.01416.62
7.4.210.0100.00316.87
7.4.200.0000.00816.42
7.4.160.0140.00316.79
7.4.150.0120.00617.40
7.4.140.0100.00617.86
7.4.130.0090.00816.74
7.4.120.0060.01116.72
7.4.110.0030.01416.64
7.4.100.0040.01316.61
7.4.90.0080.00816.74
7.4.80.0150.00319.39
7.4.70.0100.01016.74
7.4.60.0060.01116.72
7.4.50.0030.00316.58
7.4.40.0120.00616.71
7.4.30.0100.00716.93
7.4.00.0080.00815.13
7.3.330.0060.00013.58
7.3.320.0000.00513.51
7.3.310.0030.00316.59
7.3.300.0000.00716.43
7.3.290.0060.01416.61
7.3.280.0070.00916.59
7.3.270.0090.00917.40
7.3.260.0040.01416.67
7.3.250.0140.00716.56
7.3.240.0080.01516.73
7.3.230.0080.00816.80
7.3.210.0130.00516.85
7.3.200.0060.01119.39
7.3.190.0120.00916.67
7.3.180.0070.01016.78
7.3.170.0060.01016.72
7.3.160.0090.00916.61
7.2.330.0070.01116.87
7.2.320.0130.00416.80
7.2.310.0140.00916.74
7.2.300.0030.01416.79
7.2.290.0030.01416.72
7.2.60.0000.01416.77
7.2.00.0000.01419.75
7.1.200.0240.00315.97
7.1.100.0260.00316.34
7.1.70.0070.00017.09
7.1.60.0070.01119.40
7.1.50.0110.01417.03
7.1.00.0030.07722.30
7.0.200.0070.00017.06
7.0.140.0030.07322.07
7.0.60.0030.04019.88
7.0.50.0000.04317.92
7.0.40.0070.07020.28
7.0.30.0370.06320.10
7.0.20.0270.08020.18
7.0.10.0170.07320.08
7.0.00.0070.08320.07
5.6.280.0100.06721.10
5.6.210.0070.07320.51
5.6.200.0070.08318.21
5.6.190.0130.08320.34
5.6.180.0270.06320.33
5.6.170.0870.04720.52
5.6.160.0130.07720.50
5.6.150.0100.06018.16
5.6.140.0030.07018.14
5.6.130.0030.04018.23
5.6.120.0200.05720.97
5.6.110.0070.03721.11
5.6.100.0130.08320.98
5.6.90.0100.08320.94
5.6.80.0000.05020.51
5.5.350.0370.07020.46
5.5.340.0100.05718.09
5.5.330.0130.04720.21
5.5.320.0230.08320.27
5.5.310.0270.08020.34
5.5.300.0130.06718.07
5.5.290.0030.06717.97
5.5.280.0070.08020.84
5.5.270.0000.04320.84
5.5.260.0070.08320.88
5.5.250.0000.04720.58
5.5.240.0000.04320.36
5.4.450.1230.04719.43
5.4.440.0770.03719.28
5.4.430.0370.03719.63
5.4.420.0100.05019.18
5.4.410.0370.04319.51
5.4.400.0370.04019.32
5.4.390.0570.04018.96
5.4.380.0330.05318.57
5.4.370.0500.05318.79
5.4.360.0330.06018.63
5.4.350.0430.04718.79
5.4.340.0470.05018.74
5.4.320.0050.03812.51
5.4.310.0060.03712.51
5.4.300.0060.03612.51
5.4.290.0050.03812.51
5.4.280.0080.04012.40
5.4.270.0090.03312.41
5.4.260.0060.03712.40
5.4.250.0060.04612.40
5.4.240.0090.03712.41
5.4.230.0060.04812.40
5.4.220.0080.03712.40
5.4.210.0050.04512.40
5.4.200.0090.04112.39
5.4.190.0030.04012.39
5.4.180.0100.05012.40
5.4.170.0090.03812.41
5.4.160.0060.03612.40
5.4.150.0070.03612.39
5.4.140.0090.03812.08
5.4.130.0070.03612.07
5.4.120.0070.03712.03
5.4.110.0050.03612.02
5.4.100.0100.03212.02
5.4.90.0080.04212.02
5.4.80.0040.04612.02
5.4.70.0060.03412.02
5.4.60.0040.03512.02
5.4.50.0060.03412.02
5.4.40.0040.03612.00
5.4.30.0090.03312.00
5.4.20.0080.03812.00
5.4.10.0030.04212.00
5.4.00.0090.03911.50
5.3.290.0040.04612.80
5.3.280.0040.04212.70
5.3.270.0070.04012.72
5.3.260.0060.03912.72
5.3.250.0100.03312.72
5.3.240.0030.04212.72
5.3.230.0090.03412.70
5.3.220.0030.03912.68
5.3.210.0080.03612.68
5.3.200.0040.03712.68
5.3.190.0100.04412.68
5.3.180.0110.03012.68
5.3.170.0050.03612.67
5.3.160.0060.03512.68
5.3.150.0060.04412.67
5.3.140.0050.03612.66
5.3.130.0050.03812.66
5.3.120.0070.03712.66
5.3.110.0080.04212.66
5.3.100.0060.04112.12
5.3.90.0080.03712.11
5.3.80.0040.03812.09
5.3.70.0090.03412.09
5.3.60.0100.04312.08
5.3.50.0080.03612.02
5.3.40.0060.03612.02
5.3.30.0050.03511.99
5.3.20.0050.03711.77
5.3.10.0070.03311.73
5.3.00.0060.03411.72
5.2.170.0050.0299.22
5.2.160.0050.0289.22
5.2.150.0040.0309.22
5.2.140.0030.0319.22
5.2.130.0050.0289.18
5.2.120.0050.0279.18
5.2.110.0030.0319.18
5.2.100.0060.0279.18
5.2.90.0040.0299.18
5.2.80.0050.0309.18
5.2.70.0060.0289.18
5.2.60.0040.0299.13
5.2.50.0060.0309.10
5.2.40.0030.0309.07
5.2.30.0050.0289.05
5.2.20.0050.0289.04
5.2.10.0060.0358.95
5.2.00.0030.0378.82
5.1.60.0040.0238.09
5.1.50.0030.0388.08
5.1.40.0030.0248.07
5.1.30.0060.0298.43
5.1.20.0010.0298.45
5.1.10.0050.0318.17
5.1.00.0040.0258.16
5.0.50.0040.0276.65
5.0.40.0030.0206.52
5.0.30.0020.0386.32
5.0.20.0040.0196.29
5.0.10.0050.0256.28
5.0.00.0020.0326.27
4.4.90.0070.0114.78
4.4.80.0020.0164.75
4.4.70.0030.0184.75
4.4.60.0020.0164.76
4.4.50.0030.0144.77
4.4.40.0020.0254.71
4.4.30.0020.0174.76
4.4.20.0020.0174.85
4.4.10.0030.0144.85
4.4.00.0030.0364.75
4.3.110.0020.0164.67
4.3.100.0040.0144.66
4.3.90.0010.0174.64
4.3.80.0020.0254.59
4.3.70.0050.0114.63
4.3.60.0040.0204.63
4.3.50.0050.0164.63
4.3.40.0000.0264.54
4.3.30.0030.0243.30
4.3.20.0010.0213.28
4.3.10.0000.0183.25
4.3.00.0030.01716.02

preferences:
32.75 ms | 401 KiB | 5 Q