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){ $a = var_export($val); var_dump($a); /* echo str_pad(print($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)
8.3.40.0070.01018.97
8.3.30.0090.00618.77
8.3.20.0080.00020.21
8.3.10.0030.00623.48
8.3.00.0000.00917.46
8.2.170.0100.00322.96
8.2.160.0070.00722.14
8.2.150.0070.00024.18
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0080.00017.50
8.2.110.0130.00022.08
8.2.100.0090.00317.93
8.2.90.0060.00319.18
8.2.80.0080.00017.97
8.2.70.0060.00317.25
8.2.60.0030.00518.05
8.2.50.0000.00818.07
8.2.40.0040.00419.23
8.2.30.0040.00420.62
8.2.20.0040.00417.56
8.2.10.0000.00718.11
8.2.00.0000.00817.99
8.1.270.0080.00023.81
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0000.00922.53
8.1.230.0060.00617.76
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0060.00318.88
8.1.160.0000.00722.02
8.1.150.0040.00418.90
8.1.140.0030.00519.56
8.1.130.0050.00217.70
8.1.120.0000.00717.46
8.1.110.0040.00417.36
8.1.100.0000.00717.34
8.1.90.0080.00017.46
8.1.80.0060.00317.38
8.1.70.0070.00017.38
8.1.60.0030.00617.49
8.1.50.0030.00617.45
8.1.40.0030.00617.42
8.1.30.0040.00417.66
8.1.20.0030.00517.54
8.1.10.0040.00417.56
8.1.00.0050.00317.50
8.0.300.0080.00018.77
8.0.290.0070.00016.75
8.0.280.0070.00018.51
8.0.270.0000.00817.27
8.0.260.0030.00317.27
8.0.250.0030.00516.98
8.0.240.0030.00317.00
8.0.230.0070.00016.96
8.0.220.0000.00816.79
8.0.210.0000.00716.91
8.0.200.0000.00716.94
8.0.190.0030.00516.83
8.0.180.0040.00416.97
8.0.170.0000.00816.80
8.0.160.0030.00416.80
8.0.150.0050.00216.73
8.0.140.0040.00316.73
8.0.130.0000.00513.28
8.0.120.0080.00016.85
8.0.110.0070.00016.86
8.0.100.0030.00316.93
8.0.90.0070.00016.82
8.0.80.0090.01216.80
8.0.70.0030.00516.77
8.0.60.0070.00016.86
8.0.50.0000.00716.85
8.0.30.0100.01016.97
8.0.20.0120.01117.40
8.0.10.0080.00017.00
8.0.00.0080.01316.81
7.4.330.0050.00015.08
7.4.320.0030.00316.50
7.4.300.0060.00016.46
7.4.290.0040.00416.59
7.4.280.0080.00016.48
7.4.270.0080.00016.48
7.4.260.0000.00816.52
7.4.250.0000.00816.49
7.4.240.0020.00516.60
7.4.230.0000.00716.61
7.4.220.0120.00616.46
7.4.210.0090.00416.44
7.4.200.0000.00716.61
7.4.160.0080.00816.30
7.4.150.0140.01017.40
7.4.140.0130.00717.86
7.4.130.0160.01016.57
7.4.120.0160.00516.51
7.4.110.0150.00316.32
7.4.100.0120.00916.66
7.4.90.0090.01216.39
7.4.80.0030.01319.39
7.4.70.0110.01116.41
7.4.60.0170.00016.39
7.4.50.0070.00016.46
7.4.40.0130.01016.50
7.4.30.0130.00716.54
7.4.10.0090.00814.87
7.4.00.0070.01014.88
7.3.330.0020.00213.21
7.3.320.0050.00013.30
7.3.310.0030.00316.18
7.3.300.0060.00316.27
7.3.290.0030.00316.28
7.3.280.0100.00816.30
7.3.270.0170.00317.40
7.3.260.0180.00616.77
7.3.240.0050.01516.39
7.3.230.0060.01116.45
7.3.210.0090.00916.38
7.3.200.0070.01016.31
7.3.190.0100.00716.29
7.3.180.0100.01316.60
7.3.170.0120.00616.54
7.3.160.0070.01016.35
7.3.130.0070.01114.89
7.3.120.0090.00815.12
7.3.110.0080.00915.19
7.3.100.0100.00615.23
7.3.90.0040.01115.07
7.3.80.0040.00915.11
7.3.70.0030.01015.07
7.3.60.0070.00715.04
7.3.50.0040.00915.08
7.3.40.0060.00515.12
7.3.30.0060.00915.09
7.3.20.0090.00616.71
7.3.10.0060.00816.62
7.3.00.0050.00816.68
7.2.330.0080.01116.75
7.2.320.0090.01616.90
7.2.310.0150.00316.87
7.2.300.0110.01116.46
7.2.290.0150.00316.51
7.2.260.0050.01315.19
7.2.250.0050.01415.16
7.2.240.0050.01015.26
7.2.230.0060.00915.44
7.2.220.0060.00815.44
7.2.210.0060.00815.32
7.2.200.0030.01115.40
7.2.190.0080.00715.36
7.2.180.0080.00515.22
7.2.170.0070.00715.34
7.2.160.0050.00815.37
7.2.150.0050.00917.00
7.2.140.0080.00617.00
7.2.130.0060.00816.88
7.2.120.0040.00816.96
7.2.110.0030.00916.90
7.2.100.0080.00716.88
7.2.90.0070.00716.92
7.2.80.0070.00817.03
7.2.70.0040.00716.96
7.2.60.0050.00816.86
7.2.50.0050.00917.01
7.2.40.0030.00816.89
7.2.30.0060.00817.03
7.2.20.0050.01016.92
7.2.10.0070.00716.84
7.2.00.0060.00817.29
7.1.330.0040.00915.95
7.1.320.0060.00815.88
7.1.310.0070.00616.04
7.1.300.0060.00915.93
7.1.290.0040.00816.00
7.1.280.0070.00515.99
7.1.270.0050.00816.03
7.1.260.0050.00816.02
7.1.250.0040.00915.86
7.1.240.0030.00915.73
7.1.230.0040.00815.78
7.1.220.0050.00515.78
7.1.210.0060.00715.79
7.1.200.0090.00715.64
7.1.190.0030.00915.90
7.1.180.0060.00715.87
7.1.170.0060.00715.82
7.1.160.0060.00815.78
7.1.150.0050.00515.72
7.1.140.0090.00615.79
7.1.130.0070.00915.78
7.1.120.0050.00715.75
7.1.110.0060.00915.78
7.1.100.0030.00916.36
7.1.90.0060.00715.84
7.1.80.0040.00815.71
7.1.70.0050.00816.10
7.1.60.0070.00916.49
7.1.50.0040.00915.99
7.1.40.0050.00715.81
7.1.30.0070.00515.81
7.1.20.0050.00715.81
7.1.10.0080.00815.73
7.1.00.0070.01917.02
7.0.330.0060.00915.23
7.0.320.0050.00615.48
7.0.310.0060.00515.32
7.0.300.0070.00715.22
7.0.290.0050.01015.43
7.0.280.0050.00715.35
7.0.270.0050.00915.25
7.0.260.0030.00715.44
7.0.250.0060.00715.34
7.0.240.0040.00715.51
7.0.230.0050.00615.38
7.0.220.0060.00615.33
7.0.210.0050.00815.39
7.0.200.0110.00715.13
7.0.190.0050.00815.47
7.0.180.0060.00415.32
7.0.170.0060.00515.31
7.0.160.0040.01015.27
7.0.150.0050.00915.37
7.0.140.0030.00815.38
7.0.130.0080.00615.38
7.0.120.0070.00615.44
7.0.110.0070.00615.40
7.0.100.0070.00815.39
7.0.90.0040.00715.52
7.0.80.0050.00815.38
7.0.70.0030.01015.33
7.0.60.0030.01516.33
7.0.50.0080.02015.89
7.0.40.0050.01414.81
7.0.30.0120.01114.85
7.0.20.0080.01814.83
7.0.10.0080.01014.83
7.0.00.0050.01614.77
5.6.400.0050.00514.39
5.6.390.0080.00814.31
5.6.380.0050.01014.33
5.6.370.0040.01014.15
5.6.360.0050.00914.35
5.6.350.0040.00814.38
5.6.340.0060.00614.24
5.6.330.0060.00714.26
5.6.320.0050.01114.49
5.6.310.0040.00914.40
5.6.300.0080.00414.15
5.6.290.0020.01014.40
5.6.280.0060.02015.55
5.6.270.0070.00814.31
5.6.260.0060.00714.48
5.6.250.0050.00914.26
5.6.240.0060.00814.30
5.6.230.0050.00914.20
5.6.220.0060.00914.27
5.6.210.0050.02315.55
5.6.200.0050.01515.14
5.6.190.0060.01615.48
5.6.180.0580.01215.60
5.6.170.0080.01815.38
5.6.160.0080.02115.51
5.6.150.0090.01915.06
5.6.140.0090.01015.01
5.6.130.0040.01515.06
5.6.120.0060.01515.67
5.6.110.0070.01415.66
5.6.100.0070.01815.47
5.6.90.0070.02215.72
5.6.80.0040.02215.56
5.6.70.0080.00514.19
5.6.60.0080.00714.03
5.6.50.0080.00614.31
5.6.40.0120.00214.09
5.6.30.0080.00614.31
5.6.20.0080.00414.15
5.6.10.0070.00414.27
5.6.00.0100.00414.20
5.5.380.0090.00714.28
5.5.370.0080.00914.36
5.5.360.0090.00814.43
5.5.350.0090.01215.57
5.5.340.0080.02214.86
5.5.330.0070.02315.55
5.5.320.0110.01515.40
5.5.310.0100.01315.46
5.5.300.0060.02414.89
5.5.290.0060.02414.87
5.5.280.0060.01715.63
5.5.270.0070.02415.63
5.5.260.0100.02115.69
5.5.250.0090.02115.49
5.5.240.0090.02115.51
5.5.230.0070.00914.11
5.5.220.0110.00714.11
5.5.210.0080.00914.27
5.5.200.0070.01014.29
5.5.190.0090.00914.16
5.5.180.0060.00914.22
5.5.170.0050.01114.15
5.5.160.0100.00714.26
5.5.150.0090.00814.23
5.5.140.0090.00614.12
5.5.130.0110.00514.27
5.5.120.0090.00814.26
5.5.110.0060.01013.92
5.5.100.0110.00614.11
5.5.90.0080.00814.03
5.5.80.0080.00914.11
5.5.70.0080.00814.14
5.5.60.0110.00714.10
5.5.50.0100.00814.01
5.5.40.0060.01014.02
5.5.30.0130.00414.07
5.5.20.0060.00914.07
5.5.10.0070.00714.04
5.5.00.0080.00914.15
5.4.450.0090.01713.07
5.4.440.0130.01813.15
5.4.430.0090.01413.19
5.4.420.0090.02013.23
5.4.410.0110.01513.17
5.4.400.0080.01613.21
5.4.390.0090.01813.06
5.4.380.0050.01813.07
5.4.370.0060.01713.09
5.4.360.0080.01612.96
5.4.350.0070.01613.06
5.4.340.0140.01513.05
5.4.330.0040.00711.46
5.4.320.0080.01513.07
5.4.310.0040.01912.90
5.4.300.0100.01813.05
5.4.290.0120.01613.02
5.4.280.0200.01613.09
5.4.270.0180.01613.01
5.4.260.0180.01712.98
5.4.250.0110.01313.06
5.4.240.0080.01513.19
5.4.230.0060.01713.05
5.4.220.0130.01512.90
5.4.210.0050.01813.09
5.4.200.0060.01712.99
5.4.190.0070.01712.97
5.4.180.0080.01512.99
5.4.170.0070.01713.10
5.4.160.0100.01513.13
5.4.150.0110.01613.02
5.4.140.0050.01912.64
5.4.130.0090.01512.48
5.4.120.0060.01412.59
5.4.110.0090.01412.48
5.4.100.0090.01212.56
5.4.90.0090.01512.57
5.4.80.0110.01512.47
5.4.70.0070.01512.45
5.4.60.0060.01712.54
5.4.50.0060.01612.45
5.4.40.0070.01612.54
5.4.30.0100.01812.54
5.4.20.0160.01612.61
5.4.10.0170.01512.49
5.4.00.0180.01412.43

preferences:
50.86 ms | 400 KiB | 5 Q