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 $val){ var_export($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)
8.3.60.0070.01316.75
8.3.50.0110.00721.86
8.3.40.0120.00318.84
8.3.30.0040.01118.71
8.3.20.0040.00420.25
8.3.10.0080.00023.53
8.3.00.0100.00017.36
8.2.180.0070.00718.41
8.2.170.0100.00322.96
8.2.160.0030.01022.13
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0080.00017.75
8.2.110.0080.00320.39
8.2.100.0000.01118.05
8.2.90.0000.00719.17
8.2.80.0030.00617.97
8.2.70.0060.00317.63
8.2.60.0080.00017.68
8.2.50.0050.00318.07
8.2.40.0040.00419.26
8.2.30.0040.00420.50
8.2.20.0050.00217.71
8.2.10.0020.00518.05
8.2.00.0070.00018.00
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0070.01122.61
8.1.230.0040.00817.78
8.1.220.0060.00317.79
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0050.00321.89
8.1.150.0040.00418.98
8.1.140.0040.00419.53
8.1.130.0000.00717.77
8.1.120.0070.00017.36
8.1.110.0000.00817.49
8.1.100.0040.00417.48
8.1.90.0000.00717.47
8.1.80.0030.00517.47
8.1.70.0000.00717.46
8.1.60.0000.00817.59
8.1.50.0050.00317.45
8.1.40.0040.00417.45
8.1.30.0070.00317.59
8.1.20.0000.00817.67
8.1.10.0080.00017.54
8.1.00.0040.00417.53
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.36
8.0.270.0040.00417.21
8.0.260.0040.00417.20
8.0.250.0070.00016.96
8.0.240.0040.00416.99
8.0.230.0030.00316.87
8.0.220.0000.00716.76
8.0.210.0000.00816.84
8.0.200.0060.00016.99
8.0.190.0040.00416.98
8.0.180.0080.00016.88
8.0.170.0030.00616.86
8.0.160.0000.00716.78
8.0.150.0030.00516.86
8.0.140.0000.00816.83
8.0.130.0030.00313.40
8.0.120.0050.00316.89
8.0.110.0000.00816.89
8.0.100.0040.00416.78
8.0.90.0050.00316.87
8.0.80.0090.00616.96
8.0.70.0050.00316.84
8.0.60.0000.00716.90
8.0.50.0080.00016.76
8.0.30.0110.01017.09
8.0.20.0100.00917.40
8.0.10.0040.00417.08
8.0.00.0070.01216.64
7.4.330.0020.00215.08
7.4.320.0050.00216.51
7.4.300.0030.00316.52
7.4.290.0070.00016.56
7.4.280.0000.00816.61
7.4.270.0040.00416.55
7.4.260.0000.00716.39
7.4.250.0040.00416.57
7.4.240.0040.00416.54
7.4.230.0070.00016.34
7.4.220.0110.00816.59
7.4.210.0080.00816.49
7.4.200.0040.00416.50
7.4.150.0040.01317.40
7.4.140.0110.00817.86
7.4.130.0130.00716.65
7.4.120.0150.00416.55
7.4.110.0130.00716.44
7.4.100.0120.01216.41
7.4.90.0110.00616.28
7.4.80.0130.00619.39
7.4.70.0080.01116.34
7.4.60.0090.00616.55
7.4.50.0040.00416.46
7.4.40.0060.01216.58
7.4.30.0070.01016.60
7.4.00.0070.00714.80
7.3.330.0000.00613.28
7.3.320.0000.00513.26
7.3.310.0030.00316.21
7.3.300.0000.00716.36
7.3.290.0030.00316.13
7.3.280.0120.00716.33
7.3.270.0040.01517.40
7.3.260.0120.00616.66
7.3.250.0130.00616.51
7.3.240.0120.00616.50
7.3.230.0160.00716.51
7.3.210.0140.00316.65
7.3.200.0110.00616.62
7.3.190.0120.00616.26
7.3.180.0070.01016.25
7.3.170.0080.00816.38
7.3.160.0140.00716.45
7.3.10.0030.01016.39
7.3.00.0070.00716.57
7.2.330.0110.00816.51
7.2.320.0060.01516.73
7.2.310.0110.01016.66
7.2.300.0160.00716.91
7.2.290.0160.00616.77
7.2.130.0040.00716.92
7.2.120.0070.00717.05
7.2.110.0000.01017.00
7.2.100.0060.00717.07
7.2.90.0060.00916.93
7.2.80.0080.00416.90
7.2.70.0030.01416.93
7.2.60.0050.00717.07
7.2.50.0080.00416.85
7.2.40.0060.00917.15
7.2.30.0070.00717.01
7.2.20.0070.00716.78
7.2.10.0060.00616.76
7.2.00.0000.01416.97
7.1.250.0110.00015.89
7.1.200.0000.01216.01
7.1.70.0030.00617.01
7.1.60.0140.01019.43
7.1.50.0040.00816.64
7.1.00.0000.08022.48
7.0.200.0400.00314.91
7.0.60.0070.04019.93
7.0.50.0070.08017.78
7.0.40.0070.05720.09
7.0.30.0270.07720.23
7.0.20.0230.07720.16
7.0.10.0000.04720.16
7.0.00.0070.04320.14
5.6.280.0100.06721.11
5.6.210.0070.08020.54
5.6.200.0070.03718.24
5.6.190.0100.05020.39
5.6.180.3370.04720.50
5.6.170.0330.07020.57
5.6.160.0030.04320.50
5.6.150.0200.07018.16
5.6.140.0030.04318.18
5.6.130.0100.07018.18
5.6.120.0000.04321.01
5.6.110.0130.08021.04
5.6.100.0030.06720.98
5.6.90.0130.07020.98
5.6.80.0100.07720.53
5.5.350.0070.04320.44
5.5.340.0070.08017.96
5.5.330.0100.05720.43
5.5.320.0230.04320.27
5.5.310.0270.03320.41
5.5.300.0070.07017.98
5.5.290.0030.06017.95
5.5.280.0070.04020.98
5.5.270.0130.04020.72
5.5.260.0030.08320.98
5.5.250.0070.04320.71
5.5.240.0070.07720.28
5.4.450.0570.06719.38
5.4.440.0930.07019.66
5.4.430.0670.07019.55
5.4.420.0230.06719.55
5.4.410.0370.04719.33
5.4.400.0170.06019.04
5.4.390.0130.06019.34
5.4.380.0170.05319.04
5.4.370.0270.05019.07
5.4.360.0530.06719.25
5.4.350.0670.05319.25
5.4.340.0730.05319.07
5.4.320.0770.05319.23
5.4.310.0630.05718.99
5.4.300.0230.04319.20
5.4.290.0130.05719.04
5.4.280.0100.05319.07
5.4.270.0400.05318.93
5.4.260.0600.05319.03
5.4.250.0670.04719.04
5.4.240.0530.05319.24
5.4.230.0200.08319.06
5.4.220.0170.05718.80
5.4.210.0130.05719.20
5.4.200.0130.05019.23
5.4.190.0130.06018.98
5.4.180.0200.05319.08
5.4.170.0200.05718.90
5.4.160.0300.04719.21
5.4.150.0170.06319.22
5.4.140.0100.05716.40
5.4.130.0330.05716.55
5.4.120.0200.05716.31
5.4.110.0170.06016.63
5.4.100.0130.06316.26
5.4.90.0200.06316.57
5.4.80.0270.05716.40
5.4.70.0230.06316.23
5.4.60.0200.05716.57
5.4.50.0170.05716.60
5.4.40.0030.07016.63
5.4.30.0070.05716.25
5.4.20.0230.05716.54
5.4.10.0670.07016.48
5.4.00.0600.07015.88

preferences:
51.65 ms | 401 KiB | 5 Q