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; } return (string) $var; } foreach ([ '1', '2.3', 'true', 'FALSE', 'Null', '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)
8.3.60.0070.00718.18
8.3.50.0150.00522.82
8.3.40.0000.01718.70
8.3.30.0030.01018.75
8.3.20.0040.00420.25
8.3.10.0080.00023.51
8.3.00.0080.00019.25
8.2.180.0090.00916.38
8.2.170.0160.00322.96
8.2.160.0140.00020.38
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0110.00420.73
8.2.110.0030.00622.29
8.2.100.0040.00718.03
8.2.90.0070.00019.09
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0060.00317.80
8.2.50.0060.00318.07
8.2.40.0000.00819.70
8.2.30.0060.00318.09
8.2.20.0040.00417.60
8.2.10.0000.00817.86
8.2.00.0040.00417.46
8.1.280.0110.00425.92
8.1.270.0080.00023.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.87
8.1.230.0070.00419.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0070.00317.23
8.1.190.0050.00317.13
8.1.180.0030.00618.10
8.1.170.0060.00618.62
8.1.160.0040.00422.05
8.1.150.0040.00418.85
8.1.140.0040.00417.38
8.1.130.0030.00317.70
8.1.120.0000.00717.46
8.1.110.0060.00317.37
8.1.100.0040.00417.43
8.1.90.0000.00717.45
8.1.80.0020.00517.30
8.1.70.0050.00217.32
8.1.60.0040.00417.42
8.1.50.0080.00017.47
8.1.40.0000.00717.41
8.1.30.0000.00817.54
8.1.20.0040.00417.57
8.1.10.0030.00617.37
8.1.00.0000.00717.42
8.0.300.0040.00418.77
8.0.290.0030.00516.63
8.0.280.0000.00718.48
8.0.270.0000.00817.29
8.0.260.0030.00317.23
8.0.250.0000.00716.86
8.0.240.0030.00316.99
8.0.230.0030.00316.96
8.0.220.0040.00416.90
8.0.210.0070.00016.87
8.0.200.0070.00016.98
8.0.190.0070.00017.02
8.0.180.0030.00516.99
8.0.170.0000.00716.98
8.0.160.0070.00016.95
8.0.150.0060.00316.84
8.0.140.0050.00216.86
8.0.130.0030.00613.34
8.0.120.0080.00016.88
8.0.110.0000.00716.80
8.0.100.0000.00716.75
8.0.90.0070.00016.97
8.0.80.0050.01016.93
8.0.70.0040.00416.94
8.0.60.0040.00416.71
8.0.50.0000.00716.83
8.0.30.0130.00717.23
8.0.20.0080.01117.40
8.0.10.0050.00217.03
8.0.00.0070.01416.73
7.4.330.0050.00015.02
7.4.320.0000.00716.43
7.4.300.0030.00316.55
7.4.290.0000.00716.62
7.4.280.0040.00416.62
7.4.270.0080.00016.54
7.4.260.0030.00516.56
7.4.250.0080.00016.41
7.4.240.0000.00716.39
7.4.230.0000.00716.63
7.4.220.0150.00916.56
7.4.210.0060.00816.64
7.4.200.0030.00316.35
7.4.160.0080.00816.72
7.4.150.0140.00317.40
7.4.140.0110.00617.86
7.4.130.0100.01416.51
7.4.120.0090.00916.58
7.4.110.0160.00016.82
7.4.100.0120.00616.67
7.4.90.0140.00316.52
7.4.80.0100.01019.39
7.4.70.0070.01016.63
7.4.60.0100.00716.48
7.4.50.0040.00416.27
7.4.40.0080.00816.20
7.4.30.0070.00916.56
7.4.00.0040.01115.06
7.3.330.0030.00313.24
7.3.320.0030.00313.40
7.3.310.0050.00316.54
7.3.300.0030.00316.24
7.3.290.0030.01416.40
7.3.280.0110.00416.37
7.3.270.0070.01017.40
7.3.260.0090.00616.43
7.3.240.0100.00716.34
7.3.230.0090.00916.56
7.3.210.0060.01216.43
7.3.200.0160.00319.39
7.3.190.0070.01516.61
7.3.180.0080.01216.67
7.3.170.0040.01216.30
7.3.160.0060.01516.57
7.3.10.0090.00516.67
7.3.00.0060.00616.63
7.2.330.0000.01816.73
7.2.320.0080.00816.75
7.2.310.0130.00316.72
7.2.300.0000.01616.63
7.2.290.0130.00316.72
7.2.130.0030.01016.90
7.2.120.0050.01016.95
7.2.110.0020.01116.97
7.2.100.0090.00416.83
7.2.90.0050.01116.76
7.2.80.0070.00616.79
7.2.70.0100.00416.82
7.2.60.0050.00717.02
7.2.50.0080.00817.01
7.2.40.0070.00916.86
7.2.30.0060.00916.99
7.2.20.0060.00617.00
7.2.10.0050.00816.78
7.2.00.0040.01017.71
7.1.250.0070.00515.69
7.1.100.0030.00618.05
7.1.70.0000.00817.29
7.1.60.0060.01219.40
7.1.50.0080.01216.96
7.1.00.0030.07722.33
7.0.200.0000.00916.84
7.0.140.0030.07721.95
7.0.60.0070.08019.86
7.0.50.0070.03717.96
7.0.40.0100.05720.10
7.0.30.0330.04720.09
7.0.20.0200.03720.30
7.0.10.0000.05020.03
7.0.00.0070.08320.06
5.6.280.0000.07720.99
5.6.210.0000.08020.73
5.6.200.0070.07018.15
5.6.190.0030.05320.77
5.6.180.3400.04020.47
5.6.170.0300.05720.66
5.6.160.0130.07020.54
5.6.150.0130.07318.18
5.6.140.0030.04318.18
5.6.130.0030.06718.25
5.6.120.0070.08320.97
5.6.110.0070.07021.09
5.6.100.0100.08320.99
5.6.90.0030.08721.11
5.6.80.0070.06720.51
5.5.350.0030.07320.50
5.5.340.0000.04018.01
5.5.330.0000.05320.21
5.5.320.0370.07320.36
5.5.310.0330.04720.34
5.5.300.0100.06717.94
5.5.290.0100.05717.97
5.5.280.0100.08020.77
5.5.270.0130.07720.82
5.5.260.0100.08020.89
5.5.250.0130.07320.78
5.5.240.0230.07720.37
5.4.450.0600.04019.17
5.4.440.0670.03719.46
5.4.430.0400.04319.58
5.4.420.0300.03019.52
5.4.410.0130.04719.17
5.4.400.0300.03718.99
5.4.390.0330.04019.14
5.4.380.0400.05318.86
5.4.370.0300.05018.84
5.4.360.0270.06018.72
5.4.350.0300.06318.80
5.4.340.0270.06018.61
5.4.320.0100.04612.50
5.4.310.0120.09512.51
5.4.300.0120.04312.51
5.4.290.0060.04412.50
5.4.280.0090.04312.40
5.4.270.0090.04412.41
5.4.260.0080.05612.40
5.4.250.0080.05212.40
5.4.240.0030.04212.40
5.4.230.0100.03512.39
5.4.220.0110.04712.40
5.4.210.0050.04312.39
5.4.200.0050.04312.39
5.4.190.0070.03712.39
5.4.180.0030.04112.39
5.4.170.0070.04112.40
5.4.160.0020.04112.39
5.4.150.0050.03712.39
5.4.140.0100.04912.07
5.4.130.0050.03712.06
5.4.120.0080.04112.02
5.4.110.0050.04012.02
5.4.100.0060.03612.02
5.4.90.0040.04012.02
5.4.80.0060.04112.01
5.4.70.0040.03912.02
5.4.60.0070.03512.01
5.4.50.0060.03912.01
5.4.40.0060.03512.00
5.4.30.0030.03912.00
5.4.20.0060.03812.00
5.4.10.0050.03812.00
5.4.00.0070.03911.49
5.3.290.0080.04112.80
5.3.280.0080.03912.71
5.3.270.0050.04312.72
5.3.260.0060.04112.72
5.3.250.0040.03912.71
5.3.240.0090.04312.72
5.3.230.0090.04812.71
5.3.220.0080.05212.68
5.3.210.0070.05412.68
5.3.200.0130.04512.68
5.3.190.0110.04812.68
5.3.180.0050.03912.67
5.3.170.0050.03812.67
5.3.160.0070.03612.67
5.3.150.0060.03912.67
5.3.140.0070.04412.66
5.3.130.0070.03912.66
5.3.120.0070.04812.66
5.3.110.0050.04612.66
5.3.100.0090.03912.12
5.3.90.0090.03412.11
5.3.80.0050.04212.09
5.3.70.0070.03712.09
5.3.60.0060.03712.08
5.3.50.0090.03512.02
5.3.40.0070.03612.03
5.3.30.0060.04211.98
5.3.20.0090.04611.77
5.3.10.0040.04111.73
5.3.00.0040.03911.72
5.2.170.0040.0319.22
5.2.160.0080.0289.22
5.2.150.0030.0329.22
5.2.140.0060.0299.21
5.2.130.0020.0339.18
5.2.120.0030.0409.18
5.2.110.0060.0339.18
5.2.100.0030.0309.18
5.2.90.0040.0309.18
5.2.80.0050.0319.17
5.2.70.0060.0329.18
5.2.60.0070.0369.13
5.2.50.0050.0349.10
5.2.40.0040.0319.07
5.2.30.0060.0409.04
5.2.20.0080.0399.04
5.2.10.0060.0408.94
5.2.00.0090.0398.81
5.1.60.0080.0328.09
5.1.50.0030.0328.09
5.1.40.0070.0298.07
5.1.30.0030.0288.42
5.1.20.0050.0278.44
5.1.10.0000.0308.16
5.1.00.0030.0278.17
5.0.50.0020.0236.64
5.0.40.0030.0206.50
5.0.30.0050.0386.31
5.0.20.0020.0256.28
5.0.10.0030.0286.26
5.0.00.0010.0346.26
4.4.90.0040.0154.78
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0050.0134.75
4.4.50.0030.0164.77
4.4.40.0030.0254.71
4.4.30.0040.0154.76
4.4.20.0020.0164.84
4.4.10.0060.0134.85
4.4.00.0010.0274.76
4.3.110.0030.0154.67
4.3.100.0020.0154.67
4.3.90.0020.0154.63
4.3.80.0030.0274.58
4.3.70.0050.0124.63
4.3.60.0020.0154.62
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0020.0183.30
4.3.20.0010.0183.28
4.3.10.0020.0153.24
4.3.00.0070.01016.02

preferences:
45.45 ms | 401 KiB | 5 Q