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 $val){ echo str_pad(print($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)
8.3.60.0090.00916.38
8.3.50.0100.00921.98
8.3.40.0040.01118.73
8.3.30.0120.00318.84
8.3.20.0080.00020.05
8.3.10.0040.00423.56
8.3.00.0070.00417.63
8.2.180.0090.00918.29
8.2.170.0110.00322.96
8.2.160.0030.01022.27
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0050.00317.63
8.2.110.0000.01120.52
8.2.100.0110.00017.92
8.2.90.0050.00319.17
8.2.80.0030.00617.97
8.2.70.0050.00517.63
8.2.60.0040.00417.89
8.2.50.0040.00418.07
8.2.40.0060.00319.41
8.2.30.0030.00320.63
8.2.20.0030.00517.74
8.2.10.0050.00218.00
8.2.00.0050.00318.18
8.1.280.0150.00425.92
8.1.270.0030.00623.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.54
8.1.230.0090.00317.76
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0000.00817.36
8.1.180.0030.00518.10
8.1.170.0060.00319.09
8.1.160.0000.00722.07
8.1.150.0070.00018.88
8.1.140.0050.00319.50
8.1.130.0030.00317.77
8.1.120.0040.00417.47
8.1.110.0080.00017.48
8.1.100.0000.00717.52
8.1.90.0040.00317.50
8.1.80.0030.00517.45
8.1.70.0000.00717.50
8.1.60.0040.00417.55
8.1.50.0000.00817.43
8.1.40.0000.00817.44
8.1.30.0040.00417.60
8.1.20.0000.00717.71
8.1.10.0000.00817.48
8.1.00.0000.00817.52
8.0.300.0080.00018.84
8.0.290.0000.00816.88
8.0.280.0050.00218.37
8.0.270.0000.00717.23
8.0.260.0030.00317.27
8.0.250.0050.00316.98
8.0.240.0040.00416.91
8.0.230.0050.00316.94
8.0.220.0000.00717.00
8.0.210.0080.00017.00
8.0.200.0060.00017.01
8.0.190.0040.00417.02
8.0.180.0000.00716.99
8.0.170.0000.00816.92
8.0.160.0070.00016.93
8.0.150.0000.00716.93
8.0.140.0000.00716.77
8.0.130.0030.00313.35
8.0.120.0000.00716.82
8.0.110.0000.00816.98
8.0.100.0000.00716.99
8.0.90.0040.00416.92
8.0.80.0100.00616.94
8.0.70.0000.00716.86
8.0.60.0000.00817.03
8.0.50.0030.00516.78
8.0.30.0070.01317.22
8.0.20.0120.00617.40
8.0.10.0050.00317.07
8.0.00.0110.00716.81
7.4.330.0000.00515.08
7.4.320.0000.00716.63
7.4.300.0070.00016.52
7.4.290.0080.00016.58
7.4.280.0070.00016.50
7.4.270.0000.00716.45
7.4.260.0030.00316.59
7.4.250.0050.00316.57
7.4.240.0020.00516.54
7.4.230.0000.00716.26
7.4.220.0130.01016.71
7.4.210.0050.01016.65
7.4.200.0080.00016.50
7.4.160.0080.01216.49
7.4.150.0110.00717.40
7.4.140.0090.00917.86
7.4.130.0080.01016.63
7.4.120.0060.01616.53
7.4.110.0080.01116.71
7.4.100.0040.01516.47
7.4.90.0110.00616.59
7.4.80.0110.00719.39
7.4.70.0060.01116.53
7.4.60.0130.00516.66
7.4.50.0040.00416.54
7.4.40.0030.01416.62
7.4.30.0070.01016.70
7.4.00.0090.00614.95
7.3.330.0030.00313.16
7.3.320.0050.00013.37
7.3.310.0030.00316.37
7.3.300.0030.00316.41
7.3.290.0070.00016.24
7.3.280.0100.01016.36
7.3.270.0070.01117.40
7.3.260.0070.01116.64
7.3.250.0090.00816.47
7.3.240.0110.00716.49
7.3.230.0070.01016.65
7.3.210.0140.00316.29
7.3.200.0120.00916.71
7.3.190.0150.00316.30
7.3.180.0120.00416.46
7.3.170.0110.00616.46
7.3.160.0110.00616.55
7.3.10.0170.00416.71
7.3.00.0160.00316.63
7.2.330.0030.01416.85
7.2.320.0100.01116.88
7.2.310.0090.01716.82
7.2.300.0210.00316.52
7.2.290.0160.00616.48
7.2.130.0130.00816.28
7.2.120.0060.01316.39
7.2.110.0110.00616.79
7.2.100.0070.01016.60
7.2.90.0120.00617.06
7.2.80.0040.01116.69
7.2.70.0130.00317.07
7.2.60.0110.00616.94
7.2.50.0090.00617.08
7.2.40.0030.00716.63
7.2.30.0100.00717.04
7.2.20.0130.00716.98
7.2.10.0030.01416.95
7.2.00.0090.00717.75
7.1.250.0100.01215.42
7.1.200.0030.01015.70
7.1.100.0060.00618.23
7.1.70.0000.00717.16
7.1.60.0170.00719.43
7.1.50.0080.00316.87
7.1.00.0000.08022.34
7.0.200.0390.00614.58
7.0.60.0070.05321.87
7.0.50.0100.03717.89
7.0.40.0030.08720.04
7.0.30.0200.05320.23
7.0.20.0230.04320.09
7.0.10.0070.04020.05
7.0.00.0170.03320.06
5.6.210.0070.08720.55
5.6.200.0030.04318.23
5.6.190.0100.06320.55
5.6.180.3170.04320.61
5.6.170.0400.06020.54
5.6.160.0100.08020.66
5.6.150.0000.07018.27
5.6.140.0030.04018.28
5.6.130.0070.06018.28
5.6.120.0030.04321.01
5.6.110.0170.07321.14
5.6.100.0170.07021.09
5.6.90.0030.08021.02
5.6.80.0170.07320.36
5.5.350.4300.04020.45
5.5.340.0100.05718.04
5.5.330.0100.08320.29
5.5.320.0230.04320.27
5.5.310.0200.04020.25
5.5.300.0200.03717.95
5.5.290.0070.08017.98
5.5.280.0100.03320.85
5.5.270.0100.07320.88
5.5.260.0030.05720.85
5.5.250.0070.08020.67
5.5.240.0270.07320.20
5.4.450.0200.06719.32
5.4.440.0130.06319.33
5.4.430.0230.06319.36
5.4.420.0100.06719.37
5.4.410.0100.06019.44
5.4.400.0070.06719.23
5.4.390.0130.06019.14
5.4.380.0230.04719.04
5.4.370.0370.06719.20
5.4.360.0770.07019.25
5.4.350.0730.06718.80
5.4.340.0730.05719.06
5.4.320.0600.06319.34
5.4.310.0530.05719.21
5.4.300.0500.06319.07
5.4.290.0170.05719.00
5.4.280.0300.05718.82
5.4.270.0270.04719.22
5.4.260.0230.04719.03
5.4.250.0300.05319.24
5.4.240.0230.06019.13
5.4.230.0400.04719.21
5.4.220.0200.05719.03
5.4.210.0200.05319.22
5.4.200.0200.05319.21
5.4.190.0370.06319.05
5.4.180.0330.07019.03
5.4.170.0230.06019.23
5.4.160.0170.06019.03
5.4.150.0200.05719.04
5.4.140.0230.05316.49
5.4.130.0270.06016.56
5.4.120.0170.05016.32
5.4.110.0270.05716.52
5.4.100.0330.05716.28
5.4.90.0230.04316.63
5.4.80.0370.05316.25
5.4.70.0170.05316.63
5.4.60.0430.06016.39
5.4.50.0330.04016.16
5.4.40.0230.05316.16
5.4.30.0170.05316.25
5.4.20.0200.05716.49
5.4.10.0200.05016.25
5.4.00.0200.04715.80

preferences:
48.99 ms | 401 KiB | 5 Q