3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar; } $foo = new Foo; $arr = array( "string(empty) \"\"" => "", "string(space) \" \"" => " ", "bool(false)" => FALSE, "bool(true)" => TRUE, "array(empty) {}" => array(), "NULL" => NULL, "string(\"zero\") \"0\"" => "0", "int(0)" => 0, "float(0.0)" => 0.0, "object(stdClass)# (empty){}" => new stdClass, "public \$bar" => $foo->bar, "string(null byte) \"\\0\"" => "\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 $key => $val){ echo str_pad($key, 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)
8.3.60.0110.01116.63
8.3.50.0120.01022.10
8.3.40.0150.00618.79
8.3.30.0160.00018.84
8.3.20.0040.00420.30
8.3.10.0030.00523.48
8.3.00.0070.00317.59
8.2.180.0120.00618.13
8.2.170.0140.00322.96
8.2.160.0070.00722.17
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0000.00917.38
8.2.110.0080.00420.52
8.2.100.0040.00818.05
8.2.90.0000.00819.21
8.2.80.0050.00317.97
8.2.70.0040.00717.63
8.2.60.0030.00518.04
8.2.50.0040.00418.07
8.2.40.0040.00419.41
8.2.30.0050.00320.55
8.2.20.0060.00317.67
8.2.10.0050.00318.02
8.2.00.0040.00418.13
8.1.280.0140.00725.92
8.1.270.0030.00523.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.48
8.1.230.0040.00717.79
8.1.220.0030.00517.79
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0050.00318.10
8.1.170.0080.00019.05
8.1.160.0000.00722.08
8.1.150.0030.00618.82
8.1.140.0040.00419.52
8.1.130.0070.00017.71
8.1.120.0000.00717.50
8.1.110.0000.00717.36
8.1.100.0000.00717.52
8.1.90.0040.00417.47
8.1.80.0040.00417.46
8.1.70.0030.00317.48
8.1.60.0050.00317.50
8.1.50.0030.00517.45
8.1.40.0000.00817.46
8.1.30.0060.00317.70
8.1.20.0000.00817.63
8.1.10.0040.00417.46
8.1.00.0040.00417.43
8.0.300.0020.00518.77
8.0.290.0040.00416.63
8.0.280.0000.00718.37
8.0.270.0040.00417.31
8.0.260.0030.00317.15
8.0.250.0000.00817.00
8.0.240.0040.00416.86
8.0.230.0050.00216.98
8.0.220.0000.00716.88
8.0.210.0030.00516.91
8.0.200.0030.00316.84
8.0.190.0040.00416.97
8.0.180.0040.00416.95
8.0.170.0040.00416.91
8.0.160.0040.00416.81
8.0.150.0040.00416.84
8.0.140.0080.00016.92
8.0.130.0070.00013.32
8.0.120.0040.00416.75
8.0.110.0000.00716.88
8.0.100.0040.00416.81
8.0.90.0080.00016.73
8.0.80.0030.01316.97
8.0.70.0040.00416.74
8.0.60.0000.00717.04
8.0.50.0000.00816.72
8.0.30.0120.00717.21
8.0.20.0120.00817.40
8.0.10.0080.00017.05
8.0.00.0120.00916.77
7.4.330.0050.00015.08
7.4.320.0070.00016.57
7.4.300.0030.00316.52
7.4.290.0000.00716.63
7.4.280.0050.00316.54
7.4.270.0030.00316.44
7.4.260.0100.00016.37
7.4.250.0000.00716.45
7.4.240.0040.00316.64
7.4.230.0050.00216.68
7.4.220.0090.01016.56
7.4.210.0070.00716.54
7.4.200.0050.00216.70
7.4.160.0150.00316.57
7.4.150.0190.00017.40
7.4.140.0110.01217.86
7.4.130.0050.01416.43
7.4.120.0070.01116.54
7.4.110.0080.01016.46
7.4.100.0060.01216.49
7.4.90.0060.01116.38
7.4.80.0060.01219.39
7.4.70.0100.00716.51
7.4.60.0100.00716.54
7.4.50.0040.00416.37
7.4.40.0060.01116.32
7.4.30.0080.01116.65
7.4.10.0030.01514.67
7.4.00.0080.00914.99
7.3.330.0000.00513.25
7.3.320.0030.00313.18
7.3.310.0070.00016.33
7.3.300.0020.00516.18
7.3.290.0000.00716.14
7.3.280.0090.01016.27
7.3.270.0090.00917.40
7.3.260.0130.01016.33
7.3.250.0100.01016.44
7.3.240.0120.01216.50
7.3.230.0100.00716.59
7.3.210.0110.00716.34
7.3.200.0060.01116.45
7.3.190.0110.00616.35
7.3.180.0100.00616.52
7.3.170.0130.01016.48
7.3.160.0140.00716.64
7.3.130.0060.01314.73
7.3.120.0100.00614.55
7.3.110.0000.01915.06
7.3.100.0060.01215.09
7.3.90.0090.00315.01
7.3.80.0030.01214.80
7.3.70.0070.01114.91
7.3.60.0060.00614.67
7.3.50.0030.00615.02
7.3.40.0070.00714.42
7.3.30.0000.01214.54
7.3.20.0130.00616.76
7.3.10.0120.00416.64
7.3.00.0090.00616.80
7.2.330.0120.00916.82
7.2.320.0170.00716.65
7.2.310.0140.00416.50
7.2.300.0100.01316.89
7.2.290.0100.01316.72
7.2.260.0060.01215.25
7.2.250.0070.01015.38
7.2.240.0100.00715.30
7.2.230.0030.01014.95
7.2.220.0090.00615.29
7.2.210.0040.01215.02
7.2.200.0120.00315.16
7.2.190.0040.01115.11
7.2.180.0000.01215.20
7.2.170.0070.01015.15
7.2.160.0070.00314.93
7.2.150.0060.01317.16
7.2.140.0070.00716.91
7.2.130.0110.00416.70
7.2.120.0070.01016.95
7.2.110.0110.00717.00
7.2.100.0070.00716.79
7.2.90.0100.00316.88
7.2.80.0080.00816.94
7.2.70.0120.00617.08
7.2.60.0060.00717.02
7.2.50.0070.00717.00
7.2.40.0080.00816.91
7.2.30.0070.00716.96
7.2.20.0120.00317.01
7.2.10.0070.00716.91
7.2.00.0030.01016.83
7.1.330.0070.00715.95
7.1.320.0090.00316.08
7.1.310.0070.00715.82
7.1.300.0000.01315.97
7.1.290.0030.00915.93
7.1.280.0080.00415.70
7.1.270.0090.00615.82
7.1.260.0110.00415.61
7.1.250.0070.01015.71
7.1.240.0070.00715.98
7.1.230.0070.00715.93
7.1.220.0000.01115.84
7.1.210.0040.00815.77
7.1.200.0030.01015.88
7.1.190.0060.00915.71
7.1.180.0090.00315.68
7.1.170.0040.01415.73
7.1.160.0120.00415.94
7.1.150.0040.00716.04
7.1.140.0000.00815.68
7.1.130.0110.00415.86
7.1.120.0090.00615.92
7.1.110.0040.00415.81
7.1.100.0060.00916.04
7.1.90.0090.00615.96
7.1.80.0040.00815.83
7.1.70.0070.00716.52
7.1.60.0090.01117.70
7.1.50.0050.00816.40
7.1.40.0070.01015.99
7.1.30.0060.01215.63
7.1.20.0090.00915.72
7.1.10.0030.01016.04
7.1.00.0050.04419.12
7.0.330.0030.01015.08
7.0.320.0030.01015.23
7.0.310.0080.00315.34
7.0.300.0030.00915.43
7.0.290.0040.01115.21
7.0.280.0030.01015.44
7.0.270.0030.01015.15
7.0.260.0040.00715.46
7.0.250.0090.00615.31
7.0.240.0060.01015.67
7.0.230.0070.01015.54
7.0.220.0030.01315.61
7.0.210.0040.00815.34
7.0.200.0240.00515.06
7.0.190.0070.01015.52
7.0.180.0000.01615.41
7.0.170.0030.01215.50
7.0.160.0130.00315.23
7.0.150.0060.00615.22
7.0.140.0060.00815.39
7.0.130.0060.00915.57
7.0.120.0070.01015.27
7.0.110.0000.01315.48
7.0.100.0070.01015.21
7.0.90.0030.01015.35
7.0.80.0000.00915.43
7.0.70.0060.00615.50
7.0.60.0070.04217.71
7.0.50.0030.02316.66
7.0.40.0070.02516.75
7.0.30.0120.04916.73
7.0.20.0140.04416.83
7.0.10.0080.02816.80
7.0.00.0060.04716.90
5.6.400.0040.01214.64
5.6.390.0060.00914.25
5.6.380.0060.01014.17
5.6.370.0110.00414.41
5.6.360.0080.00414.51
5.6.350.0100.00014.13
5.6.340.0040.01113.91
5.6.330.0110.00014.13
5.6.320.0090.00614.37
5.6.310.0040.00414.64
5.6.300.0070.01014.26
5.6.290.0060.00614.21
5.6.280.0030.02917.68
5.6.270.0030.01414.05
5.6.260.0120.00314.26
5.6.250.0030.01314.26
5.6.240.0070.00714.23
5.6.230.0000.01214.13
5.6.220.0070.00714.36
5.6.210.0060.02917.43
5.6.200.0030.04216.16
5.6.190.0070.02317.46
5.6.180.2080.02317.59
5.6.170.0200.03717.48
5.6.160.0050.03317.29
5.6.150.0050.03016.35
5.6.140.0030.02916.27
5.6.130.0070.03916.12
5.6.120.0140.02817.61
5.6.110.0050.04317.62
5.6.100.0100.03417.80
5.6.90.0030.04817.68
5.6.80.0080.04017.32
5.6.70.0040.01114.10
5.6.60.0040.00714.35
5.6.50.0040.01114.09
5.6.40.0080.00414.27
5.6.30.0080.00314.49
5.6.20.0030.01014.13
5.6.10.0070.00714.40
5.6.00.0030.01014.31
5.5.380.0090.00314.10
5.5.370.0040.01114.23
5.5.360.0000.01014.07
5.5.350.0040.04617.39
5.5.340.0040.03216.14
5.5.330.0100.04317.16
5.5.320.0180.02317.23
5.5.310.0170.04517.38
5.5.300.0090.04516.28
5.5.290.0030.03716.11
5.5.280.0050.02317.65
5.5.270.0070.04417.59
5.5.260.0080.03317.66
5.5.250.0090.02417.42
5.5.240.0020.04717.12
5.5.230.0040.01114.34
5.5.220.0090.00614.27
5.5.210.0090.00614.25
5.5.200.0040.00813.79
5.5.190.0070.00714.13
5.5.180.0000.01114.38
5.5.170.0070.00714.05
5.5.160.0000.00914.09
5.5.150.0040.01114.16
5.5.140.0030.01314.34
5.5.130.0090.00014.21
5.5.120.0140.00014.16
5.5.110.0100.00313.92
5.5.100.0060.00614.34
5.5.90.0040.01114.27
5.5.80.0070.00314.04
5.5.70.0030.01014.27
5.5.60.0030.01014.08
5.5.50.0000.01214.14
5.5.40.0000.01114.02
5.5.30.0090.00614.23
5.5.20.0070.00714.26
5.5.10.0040.00813.98
5.5.00.0000.01014.25
5.4.450.0100.03315.58
5.4.440.0100.03415.60
5.4.430.0130.03615.66
5.4.420.0080.03215.51
5.4.410.0120.02815.45
5.4.400.0050.03315.42
5.4.390.0120.03015.50
5.4.380.0050.03015.52
5.4.370.0060.03815.50
5.4.360.0120.03115.53
5.4.350.0060.03415.50
5.4.340.0130.02615.42
5.4.330.0030.00711.78
5.4.320.0070.03415.31
5.4.310.0110.02615.39
5.4.300.0210.02615.50
5.4.290.0120.02715.50
5.4.280.0070.03315.30
5.4.270.0130.02415.39
5.4.260.0080.02815.50
5.4.250.0050.03015.43
5.4.240.0100.03215.42
5.4.230.0100.03015.43
5.4.220.0150.02515.50
5.4.210.0100.03115.49
5.4.200.0030.03515.53
5.4.190.0350.02015.41
5.4.180.0360.03015.51
5.4.170.0230.03315.50
5.4.160.0320.02315.49
5.4.150.0280.03215.49
5.4.140.0330.03614.10
5.4.130.0300.02314.05
5.4.120.0070.02914.13
5.4.110.0170.03314.18
5.4.100.0150.02814.10
5.4.90.0100.03014.20
5.4.80.0250.02314.20
5.4.70.0100.02914.11
5.4.60.0110.02614.18
5.4.50.0130.02114.13
5.4.40.0130.02213.97
5.4.30.0130.02914.14
5.4.20.0130.03114.00
5.4.10.0030.03213.97
5.4.00.0000.03413.94

preferences:
42.15 ms | 401 KiB | 5 Q