3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar; } $foo = new Foo; $blanks = 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" ); $headings = array('type', 'if', 'isset', 'empty', 'is_null'); foreach(array($headings, array_keys($blanks)) as $ord => $arr){ foreach($arr as $val){ static $max = 0; if(strlen($val) > $max){ $max = strlen($val); } } ${"pad_$ord"} = $max; } for($i = 0; $i < count($headings); $i++){ echo str_pad($headings[$i], ${'pad_' . ($i/$i)}), "|"; } /* $x = str_pad("TRUE", PAD_1) . " | "; $y = str_pad("", PAD_1) . " | "; foreach($arr as $key => $val){ echo str_pad($key, max(array_map('strlen', array_keys($arr)))), " | "; 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)
8.3.70.0180.00418.43
8.3.60.0140.00716.75
8.3.50.0080.01222.05
8.3.40.0100.00618.62
8.3.30.0070.00718.80
8.3.20.0080.00020.39
8.3.10.0030.00623.70
8.3.00.0030.00619.40
8.2.190.0150.00016.63
8.2.180.0070.01116.88
8.2.170.0090.00622.96
8.2.160.0120.00322.25
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0060.00326.16
8.2.120.0000.00917.50
8.2.110.0110.00021.02
8.2.100.0070.00718.16
8.2.90.0040.00419.36
8.2.80.0040.00417.97
8.2.70.0030.00517.75
8.2.60.0030.00518.03
8.2.50.0030.00518.07
8.2.40.0000.00821.10
8.2.30.0040.00420.62
8.2.20.0040.00417.80
8.2.10.0000.00718.14
8.2.00.0000.00718.02
8.1.280.0150.00425.92
8.1.270.0000.00824.66
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00017.78
8.1.230.0090.00317.76
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0080.00517.11
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0040.00418.96
8.1.160.0090.00022.01
8.1.150.0040.00418.77
8.1.140.0050.00319.63
8.1.130.0000.00717.36
8.1.120.0040.00417.52
8.1.110.0040.00417.45
8.1.100.0000.00717.46
8.1.90.0000.00717.36
8.1.80.0030.00517.43
8.1.70.0030.00517.52
8.1.60.0030.00517.61
8.1.50.0000.00817.51
8.1.40.0090.00017.58
8.1.30.0030.00617.66
8.1.20.0020.00517.65
8.1.10.0080.00017.55
8.1.00.0050.00317.51
8.0.300.0030.00518.77
8.0.290.0030.00616.75
8.0.280.0030.00318.50
8.0.270.0070.00017.14
8.0.260.0030.00316.91
8.0.250.0040.00416.91
8.0.240.0080.00016.96
8.0.230.0000.00717.05
8.0.220.0070.00016.94
8.0.210.0070.00016.97
8.0.200.0000.00717.00
8.0.190.0000.00917.02
8.0.180.0070.00016.98
8.0.170.0080.00016.95
8.0.160.0030.00517.04
8.0.150.0000.00717.01
8.0.140.0000.00716.82
8.0.130.0030.00313.37
8.0.120.0030.00616.83
8.0.110.0020.00517.01
8.0.100.0050.00316.83
8.0.90.0040.00416.84
8.0.80.0090.00616.95
8.0.70.0000.00716.88
8.0.60.0040.00416.79
8.0.50.0070.00016.91
8.0.30.0060.01217.04
8.0.20.0150.00617.40
8.0.10.0040.00416.88
8.0.00.0100.00716.81
7.4.330.0050.00015.08
7.4.320.0070.00016.49
7.4.300.0040.00416.56
7.4.290.0040.00416.57
7.4.280.0040.00416.51
7.4.270.0030.00316.51
7.4.260.0000.00716.59
7.4.250.0040.00416.57
7.4.240.0040.00316.51
7.4.230.0030.00316.67
7.4.220.0140.00716.68
7.4.210.0080.00716.63
7.4.200.0000.00716.63
7.4.160.0130.00316.41
7.4.150.0090.00917.40
7.4.140.0080.01317.86
7.4.130.0120.00616.58
7.4.120.0090.01216.69
7.4.110.0150.00916.66
7.4.100.0030.02216.57
7.4.90.0110.00716.62
7.4.80.0110.00919.39
7.4.70.0070.01116.66
7.4.60.0130.00916.42
7.4.50.0040.00416.54
7.4.40.0070.01116.48
7.4.30.0090.01316.45
7.4.10.0060.01515.04
7.4.00.0060.00814.89
7.3.330.0000.00513.45
7.3.320.0050.00013.27
7.3.310.0070.00016.32
7.3.300.0020.00516.52
7.3.290.0030.00316.47
7.3.280.0110.00616.43
7.3.270.0130.00317.40
7.3.260.0170.00016.61
7.3.250.0130.00416.42
7.3.240.0110.00816.54
7.3.230.0050.01116.40
7.3.210.0130.00316.50
7.3.200.0160.00016.63
7.3.190.0050.01316.51
7.3.180.0120.00816.70
7.3.170.0110.00516.44
7.3.160.0040.01316.51
7.3.130.0100.01015.11
7.3.120.0070.01014.92
7.3.110.0050.01214.91
7.3.100.0020.01214.74
7.3.90.0030.01214.89
7.3.80.0050.00714.93
7.3.70.0020.01514.87
7.3.60.0030.01014.93
7.3.50.0050.01014.84
7.3.40.0050.00714.91
7.3.30.0110.00414.79
7.3.20.0070.00816.81
7.3.10.0050.00616.64
7.3.00.0040.00616.70
7.2.330.0060.01316.48
7.2.320.0110.00716.66
7.2.310.0180.00916.58
7.2.300.0070.01016.50
7.2.290.0100.01316.59
7.2.260.0090.00915.02
7.2.250.0070.01014.96
7.2.240.0090.00714.96
7.2.230.0070.01015.06
7.2.220.0080.00715.05
7.2.210.0060.00915.15
7.2.200.0030.01315.07
7.2.190.0070.00815.04
7.2.180.0090.00815.00
7.2.170.0030.00715.13
7.2.160.0090.00514.90
7.2.150.0090.00316.67
7.2.140.0060.00916.92
7.2.130.0070.00817.00
7.2.120.0050.00916.85
7.2.110.0090.00517.02
7.2.100.0020.01617.10
7.2.90.0060.01116.98
7.2.80.0080.01016.97
7.2.70.0080.00816.88
7.2.60.0070.00716.87
7.2.50.0070.00516.58
7.2.40.0080.00816.94
7.2.30.0050.01016.91
7.2.20.0040.00916.76
7.2.10.0050.00816.82
7.2.00.0070.00617.69
7.1.330.0090.00615.76
7.1.320.0030.00915.76
7.1.310.0050.01015.79
7.1.300.0030.01115.50
7.1.290.0080.00615.80
7.1.280.0020.01315.85
7.1.270.0050.01015.74
7.1.260.0030.01015.84
7.1.250.0050.01015.85
7.1.240.0070.00415.86
7.1.230.0070.00715.63
7.1.220.0040.00415.93
7.1.210.0000.01315.88
7.1.200.0050.00515.63
7.1.190.0060.00915.52
7.1.180.0070.00715.75
7.1.170.0030.00715.81
7.1.160.0060.00915.98
7.1.150.0090.00315.69
7.1.140.0070.00715.89
7.1.130.0140.00015.84
7.1.120.0060.00315.89
7.1.110.0040.00415.85
7.1.100.0040.01216.78
7.1.90.0000.01415.95
7.1.80.0000.01315.81
7.1.70.0020.01016.59
7.1.60.0050.01517.68
7.1.50.0050.00816.46
7.1.40.0100.00015.57
7.1.30.0040.00715.63
7.1.20.0070.00715.95
7.1.10.0000.00815.72
7.1.00.0050.04319.29
7.0.330.0080.00315.25
7.0.320.0030.00715.43
7.0.310.0060.00615.29
7.0.300.0120.00315.51
7.0.290.0080.00515.43
7.0.280.0060.00615.42
7.0.270.0000.01315.45
7.0.260.0090.00315.50
7.0.250.0000.01415.54
7.0.240.0080.00615.55
7.0.230.0070.01115.47
7.0.220.0040.00515.44
7.0.210.0040.00815.33
7.0.200.0310.00815.04
7.0.190.0080.00415.44
7.0.180.0000.01415.42
7.0.170.0070.00715.54
7.0.160.0040.00815.48
7.0.150.0050.00515.52
7.0.140.0070.01015.55
7.0.130.0030.01015.31
7.0.120.0000.01315.17
7.0.110.0040.01115.50
7.0.100.0030.01015.47
7.0.90.0080.00515.09
7.0.80.0000.01615.32
7.0.70.0030.01015.22
7.0.60.0050.04117.61
7.0.50.0050.04716.76
7.0.40.0070.04516.76
7.0.30.0160.02016.83
7.0.20.0090.03016.78
7.0.10.0080.04416.82
7.0.00.0040.03116.84
5.6.400.0070.00714.28
5.6.390.0040.00814.52
5.6.380.0040.01114.39
5.6.370.0040.01414.38
5.6.360.0070.00714.61
5.6.350.0080.00014.58
5.6.340.0070.00714.30
5.6.330.0080.00414.30
5.6.320.0100.00714.40
5.6.310.0090.00014.72
5.6.300.0070.00414.28
5.6.290.0070.00314.25
5.6.280.0040.02017.93
5.6.270.0060.00514.45
5.6.260.0100.00714.20
5.6.250.0040.01114.46
5.6.240.0060.00914.49
5.6.230.0110.00414.43
5.6.220.0030.01414.53
5.6.210.0110.02517.38
5.6.200.0050.04616.26
5.6.190.0020.04017.50
5.6.180.1600.02317.41
5.6.170.0170.04717.51
5.6.160.0050.03017.47
5.6.150.0100.04316.30
5.6.140.0050.04216.34
5.6.130.0050.04216.26
5.6.120.0110.04117.60
5.6.110.0050.04717.63
5.6.100.0120.03817.76
5.6.90.0160.03617.57
5.6.80.0080.02917.40
5.6.70.0090.00614.45
5.6.60.0070.00714.18
5.6.50.0110.00414.41
5.6.40.0060.00314.05
5.6.30.0030.01014.21
5.6.20.0030.01014.46
5.6.10.0040.01114.39
5.6.00.0000.01214.43
5.5.380.0110.00313.97
5.5.370.0030.00714.17
5.5.360.0060.00914.43
5.5.350.0150.02817.24
5.5.340.0070.04616.16
5.5.330.0140.03417.25
5.5.320.0260.03617.20
5.5.310.0150.03817.34
5.5.300.0030.04816.05
5.5.290.0030.04916.00
5.5.280.0080.04317.46
5.5.270.0090.04417.64
5.5.260.0080.04517.46
5.5.250.0090.04717.32
5.5.240.0070.04217.11
5.5.230.0000.01314.33
5.5.220.0040.01214.33
5.5.210.0110.00614.18
5.5.200.0000.00814.54
5.5.190.0040.01114.27
5.5.180.0080.00614.26
5.5.170.0130.00314.27
5.5.160.0060.00914.23
5.5.150.0030.01014.33
5.5.140.0070.00314.20
5.5.130.0030.01713.95
5.5.120.0030.01014.21
5.5.110.0070.01014.38
5.5.100.0030.01214.15
5.5.90.0070.00714.39
5.5.80.0090.00314.29
5.5.70.0070.01014.38
5.5.60.0000.01214.23
5.5.50.0030.01314.27
5.5.40.0100.00613.93
5.5.30.0000.01413.98
5.5.20.0040.00414.22
5.5.10.0000.01114.12
5.5.00.0060.00813.98
5.4.450.0130.02715.65
5.4.440.0070.03715.45
5.4.430.0130.02515.53
5.4.420.0100.04315.61
5.4.410.0180.02815.32
5.4.400.0420.03515.40
5.4.390.0400.03315.43
5.4.380.0130.03015.40
5.4.370.0130.03015.45
5.4.360.0080.02915.37
5.4.350.0150.03215.31
5.4.340.0130.03115.37
5.4.330.0070.00311.66
5.4.320.0110.03315.46
5.4.310.0110.02615.24
5.4.300.0360.03315.24
5.4.290.0450.02515.45
5.4.280.0350.02915.44
5.4.270.0350.03015.44
5.4.260.0250.02615.40
5.4.250.0100.02815.45
5.4.240.0170.02815.42
5.4.230.0330.04615.47
5.4.220.0340.02815.29
5.4.210.0100.03315.48
5.4.200.0100.03015.36
5.4.190.0230.04115.43
5.4.180.0390.04015.23
5.4.170.0150.03415.36
5.4.160.0200.03515.47
5.4.150.0410.03015.45
5.4.140.0370.03814.10
5.4.130.0370.03014.10
5.4.120.0080.03114.18
5.4.110.0090.03214.04
5.4.100.0160.02714.13
5.4.90.0100.03214.14
5.4.80.0080.03214.02
5.4.70.0130.03613.93
5.4.60.0200.03114.12
5.4.50.0100.02714.12
5.4.40.0030.03814.07
5.4.30.0100.02814.09
5.4.20.0120.02514.07
5.4.10.0080.03014.01
5.4.00.0300.02613.77

preferences:
56.43 ms | 401 KiB | 5 Q