3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar; } $foo = new Foo; $arr = array("", " ", FALSE, TRUE, array(), NULL, "0", 0, 0.0, new stdClass, $foo, $foo->bar, "\0"); define('PAD', 20); $headings = array('type', 'if', 'isset', 'empty', 'is_null'); // foreach($headings as $heading){ echo str_pad($heading, PAD), " | "; } echo "\n"; $x = str_pad("TRUE", PAD) . " | "; $y = str_pad("", PAD) . " | "; foreach($arr as $val){ debug_zval_dump($val); /* echo str_pad(print($val), PAD), " | "; echo $val ? $x : $y; echo isset($val) ? $x : $y; echo empty($val) ? $x : $y; echo is_null($val) ? $x : $y; */ echo "\n"; }

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)
8.3.60.0110.00716.38
8.3.50.0270.00922.09
8.3.40.0080.00818.86
8.3.30.0130.00318.69
8.3.20.0060.00320.39
8.3.10.0080.00021.90
8.3.00.0100.00017.63
8.2.180.0120.00318.25
8.2.170.0070.01122.96
8.2.160.0070.00722.06
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00017.50
8.2.110.0140.00322.32
8.2.100.0080.00617.52
8.2.90.0000.00819.39
8.2.80.0040.00717.97
8.2.70.0000.00917.63
8.2.60.0090.00018.05
8.2.50.0040.00418.07
8.2.40.0000.00719.46
8.2.30.0040.00420.48
8.2.20.0040.00417.71
8.2.10.0040.00418.12
8.2.00.0050.00318.03
8.1.280.0170.00325.92
8.1.270.0090.00023.95
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.90
8.1.230.0080.00320.84
8.1.220.0000.00917.79
8.1.210.0080.00018.77
8.1.200.0000.01017.25
8.1.190.0040.00416.97
8.1.180.0050.00318.10
8.1.170.0040.00418.88
8.1.160.0040.00422.06
8.1.150.0040.00418.81
8.1.140.0000.00819.54
8.1.130.0050.00319.23
8.1.120.0000.00717.46
8.1.110.0070.00017.36
8.1.100.0080.00017.46
8.1.90.0080.00017.36
8.1.80.0030.00517.34
8.1.70.0040.00417.50
8.1.60.0070.00017.50
8.1.50.0000.00817.57
8.1.40.0080.00017.53
8.1.30.0080.00017.57
8.1.20.0050.00317.48
8.1.10.0040.00417.59
8.1.00.0060.00317.53
8.0.300.0000.00818.77
8.0.290.0080.00016.63
8.0.280.0040.00418.36
8.0.270.0040.00417.26
8.0.260.0030.00316.74
8.0.250.0000.00716.95
8.0.240.0040.00416.89
8.0.230.0080.00016.96
8.0.220.0030.00316.80
8.0.210.0000.00716.81
8.0.200.0050.00216.82
8.0.190.0040.00416.86
8.0.180.0000.00716.93
8.0.170.0000.00816.90
8.0.160.0000.00716.86
8.0.150.0000.00716.86
8.0.140.0000.00716.90
8.0.130.0060.00013.30
8.0.120.0040.00416.89
8.0.110.0050.00216.87
8.0.100.0060.00316.77
8.0.90.0020.00516.88
8.0.80.0110.00716.91
8.0.70.0000.00716.89
8.0.60.0030.00316.89
8.0.50.0020.00516.86
8.0.30.0080.01117.06
8.0.20.0120.00817.40
8.0.10.0040.00416.96
8.0.00.0110.00816.84
7.4.330.0050.00015.08
7.4.320.0030.00316.60
7.4.300.0000.00716.53
7.4.290.0000.00816.48
7.4.280.0040.00416.52
7.4.270.0000.00816.44
7.4.260.0080.00016.50
7.4.250.0070.00016.46
7.4.240.0020.00516.56
7.4.230.0000.00716.35
7.4.220.0130.01016.68
7.4.210.0080.00716.51
7.4.200.0030.00316.34
7.4.160.0040.01316.40
7.4.150.0150.00417.40
7.4.140.0140.00417.86
7.4.130.0020.01516.39
7.4.120.0130.00516.67
7.4.110.0110.00716.43
7.4.100.0100.01316.51
7.4.90.0080.00816.55
7.4.80.0040.01219.39
7.4.70.0140.00916.47
7.4.60.0090.00616.39
7.4.50.0080.00016.34
7.4.40.0070.01016.60
7.4.30.0100.01016.30
7.4.00.0040.01115.00
7.3.330.0020.00213.27
7.3.320.0000.00513.30
7.3.310.0030.00316.16
7.3.300.0000.00716.16
7.3.290.0040.00416.32
7.3.280.0110.00716.28
7.3.270.0110.01317.40
7.3.260.0100.00716.29
7.3.250.0110.00616.44
7.3.240.0110.00616.59
7.3.230.0120.00616.39
7.3.210.0060.01216.53
7.3.200.0090.00916.21
7.3.190.0000.01616.32
7.3.180.0200.00316.57
7.3.170.0070.01016.27
7.3.160.0080.00816.54
7.2.330.0110.00816.87
7.2.320.0110.00616.84
7.2.310.0100.01016.85
7.2.300.0130.00616.52
7.2.290.0090.01216.72
7.2.80.0060.00616.81
7.2.60.0040.01216.94
7.2.00.0060.00619.50
7.1.200.0120.00315.80
7.1.100.0120.00318.11
7.1.70.0040.00717.29
7.1.60.0180.00719.43
7.1.50.0090.00916.96
7.1.00.0000.08022.48
7.0.200.0350.00314.59
7.0.60.0000.04720.04
7.0.50.0100.07318.01
7.0.40.0070.07320.15
7.0.30.0270.04320.30
7.0.20.0230.04720.15
7.0.10.0030.04320.12
7.0.00.0030.04720.09
5.6.280.0030.07321.02
5.6.210.0030.06020.65
5.6.200.0070.03718.27
5.6.190.0030.05320.55
5.6.180.2670.04720.63
5.6.170.0270.04720.69
5.6.160.0100.04720.50
5.6.150.0170.04718.23
5.6.140.0030.04018.11
5.6.130.0100.08318.14
5.6.120.0030.04321.02
5.6.110.0030.05321.11
5.6.100.0000.07321.08
5.6.90.0170.07721.09
5.6.80.0070.04720.53
5.5.350.0100.04020.36
5.5.340.0070.08717.95
5.5.330.0070.08320.43
5.5.320.0270.08320.27
5.5.310.0230.04320.31
5.5.300.0070.03717.99
5.5.290.0030.05018.02
5.5.280.0000.04320.88
5.5.270.0170.07320.87
5.5.260.0030.08020.72
5.5.250.0100.07720.69
5.5.240.0100.06720.35
5.4.450.0100.06319.25
5.4.440.0270.07319.51
5.4.430.0270.05319.45
5.4.420.0230.06319.53
5.4.410.0170.05319.20
5.4.400.0070.06019.26
5.4.390.0130.05719.05
5.4.380.0130.05319.05
5.4.370.0270.05018.89
5.4.360.0200.05718.86
5.4.350.0130.05719.12
5.4.340.0200.05719.29
5.4.320.0200.05318.87
5.4.310.0130.05318.84
5.4.300.0170.05719.11
5.4.290.0430.06319.27
5.4.280.0300.06018.87
5.4.270.0200.05319.21
5.4.260.0230.04719.15
5.4.250.0100.06319.25
5.4.240.0170.04319.36
5.4.230.0430.06319.14
5.4.220.0330.04719.11
5.4.210.0130.06018.83
5.4.200.0130.05719.22
5.4.190.0300.04018.86
5.4.180.0170.06018.83
5.4.170.0170.05719.36
5.4.160.0330.04319.23
5.4.150.0230.04318.83
5.4.140.0770.04716.25
5.4.130.0730.05716.39
5.4.120.0670.05316.37
5.4.110.0270.05716.42
5.4.100.0270.05016.26
5.4.90.0130.05016.26
5.4.80.0170.05016.61
5.4.70.0230.05316.61
5.4.60.0170.06716.55
5.4.50.0230.05016.55
5.4.40.0200.05716.55
5.4.30.0330.06316.57
5.4.20.0130.05316.49
5.4.10.0370.05316.42
5.4.00.0230.04715.83

preferences:
59.26 ms | 401 KiB | 5 Q