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 $val){ var_dump($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)
8.3.60.0070.01116.38
8.3.50.0120.00721.92
8.3.40.0110.00418.71
8.3.30.0090.00618.84
8.3.20.0040.00420.19
8.3.10.0070.00023.66
8.3.00.0070.00317.50
8.2.180.0040.01118.54
8.2.170.0120.00322.96
8.2.160.0070.00722.27
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0030.00626.16
8.2.120.0050.00221.19
8.2.110.0120.00020.33
8.2.100.0080.00419.66
8.2.90.0050.00319.30
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0030.00517.93
8.2.50.0030.00618.07
8.2.40.0030.00619.52
8.2.30.0000.00820.61
8.2.20.0080.00017.63
8.2.10.0070.00018.13
8.2.00.0040.00418.07
8.1.280.0150.00325.92
8.1.270.0080.00023.87
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00322.53
8.1.230.0040.00717.66
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0100.00017.35
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0080.00018.96
8.1.160.0030.00521.95
8.1.150.0040.00418.93
8.1.140.0000.00819.58
8.1.130.0070.00017.55
8.1.120.0040.00417.36
8.1.110.0000.00817.47
8.1.100.0030.00517.40
8.1.90.0050.00217.32
8.1.80.0080.00017.37
8.1.70.0000.00717.34
8.1.60.0040.00417.50
8.1.50.0030.00617.41
8.1.40.0080.00017.50
8.1.30.0000.00817.60
8.1.20.0000.00817.68
8.1.10.0040.00417.55
8.1.00.0000.00817.53
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0040.00418.35
8.0.270.0030.00317.19
8.0.260.0000.00817.29
8.0.250.0030.00316.96
8.0.240.0000.00816.84
8.0.230.0000.00716.96
8.0.220.0000.00716.91
8.0.210.0020.00516.94
8.0.200.0000.00616.89
8.0.190.0030.00516.83
8.0.180.0030.00516.92
8.0.170.0040.00416.79
8.0.160.0000.00716.88
8.0.150.0030.00616.88
8.0.140.0000.00716.77
8.0.130.0030.00313.25
8.0.120.0080.00016.86
8.0.110.0000.00816.81
8.0.100.0040.00416.91
8.0.90.0040.00416.96
8.0.80.0120.00316.85
8.0.70.0070.00017.01
8.0.60.0030.00516.69
8.0.50.0040.00416.79
8.0.30.0070.01017.08
8.0.20.0100.00917.40
8.0.10.0050.00216.92
8.0.00.0140.00516.79
7.4.330.0030.00315.08
7.4.320.0060.00016.46
7.4.300.0000.00716.66
7.4.290.0050.00216.61
7.4.280.0000.00816.51
7.4.270.0030.00316.41
7.4.260.0030.00316.45
7.4.250.0000.00716.49
7.4.240.0000.00716.58
7.4.230.0000.00816.34
7.4.220.0090.00916.44
7.4.210.0070.00716.60
7.4.200.0040.00416.49
7.4.160.0110.00816.48
7.4.150.0140.00317.40
7.4.140.0180.01617.86
7.4.130.0070.01116.54
7.4.120.0090.00816.41
7.4.110.0090.00916.51
7.4.100.0090.01516.36
7.4.90.0120.00616.52
7.4.80.0040.01419.39
7.4.70.0100.00716.61
7.4.60.0090.00816.60
7.4.50.0050.00316.55
7.4.40.0080.00916.61
7.4.30.0060.01616.48
7.4.00.0070.00714.83
7.3.330.0000.00613.30
7.3.320.0060.00013.09
7.3.310.0070.00016.19
7.3.300.0000.00716.31
7.3.290.0080.00016.14
7.3.280.0100.00916.27
7.3.270.0130.00417.40
7.3.260.0130.00316.40
7.3.240.0070.01316.30
7.3.230.0090.01216.39
7.3.210.0100.00616.25
7.3.200.0090.00916.54
7.3.190.0080.01016.58
7.3.180.0090.00916.55
7.3.170.0000.01616.51
7.3.160.0110.01016.61
7.2.330.0090.00916.39
7.2.320.0030.01516.71
7.2.310.0120.01216.44
7.2.300.0140.00316.51
7.2.290.0100.00716.86
7.2.60.0040.00717.00
7.2.50.0130.00317.03
7.1.200.0050.00515.68
7.1.70.0000.01117.09
7.1.60.0070.01819.43
7.1.50.0000.02116.91
7.1.00.0070.07022.27
7.0.200.0260.00314.48
7.0.60.0030.04320.01
7.0.50.0030.05717.95
7.0.40.0100.08320.11
7.0.30.0130.05320.18
7.0.20.0300.07720.09
7.0.10.0030.06020.22
7.0.00.0100.07320.07
5.6.280.0100.08021.16
5.6.210.0100.07320.48
5.6.200.0070.08318.16
5.6.190.0030.06020.61
5.6.180.4000.04320.52
5.6.170.0300.07320.54
5.6.160.0070.05020.54
5.6.150.0130.07318.28
5.6.140.0070.03718.27
5.6.130.0130.07718.11
5.6.120.0070.04021.02
5.6.110.0100.03721.04
5.6.100.0130.05721.02
5.6.90.0070.05321.00
5.6.80.0070.07720.38
5.5.350.0000.06020.37
5.5.340.0130.07317.98
5.5.330.0130.07020.21
5.5.320.0400.07020.42
5.5.310.0400.07320.26
5.5.300.0100.03717.97
5.5.290.0030.05317.98
5.5.280.0000.04320.74
5.5.270.0070.08020.77
5.5.260.0070.05720.85
5.5.250.0130.08320.60
5.5.240.0000.08320.16
5.4.450.0230.04719.48
5.4.440.0200.05019.31
5.4.430.0230.04019.41
5.4.420.0200.04719.48
5.4.410.0200.03719.35
5.4.400.0130.04019.13
5.4.390.0230.04318.98
5.4.380.0230.03319.20
5.4.370.0200.06018.86
5.4.360.0170.04019.22
5.4.350.0200.07019.06
5.4.340.0230.07719.09
5.4.320.0270.07318.87
5.4.310.0230.06019.23
5.4.300.0400.03719.24
5.4.290.0230.07019.05
5.4.280.0300.06718.86
5.4.270.0200.04718.87
5.4.260.0330.06719.14
5.4.250.0300.05719.08
5.4.240.0270.04019.08
5.4.230.0300.06718.97
5.4.220.0370.06719.21
5.4.210.0330.07018.94
5.4.200.0270.06319.05
5.4.190.0330.07319.07
5.4.180.0330.07019.12
5.4.170.0300.07319.21
5.4.160.0300.07318.98
5.4.150.0270.05319.07
5.4.140.0300.05016.50
5.4.130.0300.05316.33
5.4.120.0270.07316.46
5.4.110.0300.06716.45
5.4.100.0270.07016.45
5.4.90.0270.07316.42

preferences:
48.74 ms | 401 KiB | 5 Q