3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ClosureHash { /** * List of hashes * * @var SplObjectStorage */ protected static $hashes = null; /** * Returns a hash for closure * * @param callable $closure * * @return string */ public static function from(Closure $closure) { if (!self::$hashes) { self::$hashes = new SplObjectStorage(); } if (!isset(self::$hashes[$closure])) { $ref = new ReflectionFunction($closure); $file = new SplFileObject($ref->getFileName()); $file->seek($ref->getStartLine()-1); $content = ''; while ($file->key() < $ref->getEndLine()) { $content .= $file->current(); $file->next(); } self::$hashes[$closure] = md5(json_encode(array( $content, $ref->getStaticVariables() ))); } return self::$hashes[$closure]; } } class Test { public function hello($greeting) { $closure = function ($message) use ($greeting, &$closure) { echo "Inside: ", ClosureHash::from($closure), PHP_EOL, "<br>" ; }; return $closure; } } $obj = new Test(); $closure = $obj->hello('Hello'); $closure('PHP'); echo "Outside: ", ClosureHash::from($closure), PHP_EOL, "<br>"; $another = $obj->hello('Bonjour'); $another('PHP'); echo "Outside: ", ClosureHash::from($another), PHP_EOL, "<br>";

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)
8.3.60.0110.00716.63
8.3.50.0130.00622.04
8.3.40.0080.00818.71
8.3.30.0040.01219.17
8.3.20.0070.00020.21
8.3.10.0030.00521.87
8.3.00.0100.00019.24
8.2.180.0100.01016.75
8.2.170.0060.00922.96
8.2.160.0030.01020.38
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0100.01026.16
8.2.120.0040.00422.25
8.2.110.0070.00322.11
8.2.100.0090.00317.84
8.2.90.0030.00619.35
8.2.80.0080.00018.03
8.2.70.0040.00417.63
8.2.60.0070.00317.68
8.2.50.0040.00418.07
8.2.40.0060.00318.28
8.2.30.0060.00318.11
8.2.20.0040.00417.67
8.2.10.0050.00319.47
8.2.00.0030.00617.79
8.1.280.0030.01225.92
8.1.270.0040.00423.79
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.89
8.1.230.0090.00319.10
8.1.220.0000.00817.80
8.1.210.0000.00818.77
8.1.200.0030.00717.35
8.1.190.0000.00817.52
8.1.180.0060.00318.10
8.1.170.0030.00618.55
8.1.160.0060.00321.99
8.1.150.0000.00718.55
8.1.140.0040.00417.50
8.1.130.0000.00817.88
8.1.120.0040.00417.47
8.1.110.0030.00517.50
8.1.100.0060.00317.49
8.1.90.0070.00017.55
8.1.80.0000.00717.40
8.1.70.0070.00017.37
8.1.60.0030.00617.60
8.1.50.0060.00317.57
8.1.40.0000.00817.46
8.1.30.0000.00817.55
8.1.20.0000.00817.73
8.1.10.0030.00617.63
8.1.00.0000.01217.57
8.0.300.0060.00318.77
8.0.290.0070.00017.30
8.0.280.0030.00318.39
8.0.270.0040.00417.20
8.0.260.0030.00316.91
8.0.250.0030.00316.95
8.0.240.0040.00417.04
8.0.230.0030.00517.05
8.0.220.0030.00516.95
8.0.210.0030.00816.98
8.0.200.0030.00317.07
8.0.190.0000.00916.94
8.0.180.0070.00017.02
8.0.170.0040.00417.03
8.0.160.0040.00416.98
8.0.150.0080.00016.98
8.0.140.0000.00716.89
8.0.130.0000.00613.45
8.0.120.0030.00616.84
8.0.110.0040.00417.05
8.0.100.0000.00716.86
8.0.90.0020.00516.98
8.0.80.0100.00716.98
8.0.70.0080.00016.98
8.0.60.0000.00817.04
8.0.50.0080.00017.05
8.0.30.0090.01117.19
8.0.20.0110.00717.40
8.0.10.0000.00717.02
8.0.00.0110.00916.90
7.4.330.0030.00315.08
7.4.320.0060.00016.52
7.4.300.0060.00016.66
7.4.290.0070.00016.54
7.4.280.0040.00416.54
7.4.270.0050.00316.55
7.4.260.0050.00516.53
7.4.250.0000.00716.57
7.4.240.0040.00416.59
7.4.230.0000.00716.66
7.4.220.0100.01016.72
7.4.210.0040.01216.62
7.4.200.0030.00516.52
7.4.190.0070.00016.40
7.4.160.0000.01716.56
7.4.150.0150.00417.40
7.4.140.0050.01417.86
7.4.130.0100.01116.58
7.4.120.0150.00416.48
7.4.110.0070.01016.54
7.4.100.0120.00616.50
7.4.90.0070.01116.60
7.4.80.0160.00919.39
7.4.70.0080.01116.75
7.4.60.0140.00716.62
7.4.50.0030.00616.59
7.4.40.0120.00322.77
7.4.30.0080.00816.37
7.4.10.0100.01015.48
7.4.00.0040.01415.39
7.3.330.0000.00613.39
7.3.320.0050.00013.42
7.3.310.0040.00216.23
7.3.300.0040.00416.27
7.3.290.0120.00916.45
7.3.280.0110.00816.39
7.3.270.0000.01817.40
7.3.260.0100.01016.35
7.3.250.0130.00616.61
7.3.240.0040.01416.38
7.3.230.0110.00816.65
7.3.210.0110.00716.31
7.3.200.0100.01619.39
7.3.190.0090.01416.39
7.3.180.0030.01516.68
7.3.170.0150.00316.40
7.3.160.0110.00816.64
7.3.130.0080.00915.47
7.3.120.0100.00715.39
7.3.110.0070.01015.53
7.3.100.0050.00915.46
7.3.90.0080.00715.43
7.3.80.0020.01215.36
7.3.70.0090.00715.42
7.3.60.0070.00915.38
7.3.50.0070.00715.44
7.3.40.0040.01015.37
7.3.30.0050.00915.19
7.3.20.0080.00617.29
7.3.10.0070.00616.85
7.3.00.0080.00817.05
7.2.330.0110.00716.79
7.2.320.0090.00916.82
7.2.310.0070.01116.83
7.2.300.0070.01016.60
7.2.290.0000.01816.65
7.2.260.0090.00915.64
7.2.250.0050.01415.57
7.2.240.0050.01015.69
7.2.230.0050.01115.76
7.2.220.0080.00615.74
7.2.210.0030.01115.62
7.2.200.0030.01115.66
7.2.190.0070.00815.54
7.2.180.0050.00715.60
7.2.170.0060.00615.61
7.2.160.0060.00815.71
7.2.150.0040.01117.35
7.2.140.0060.00717.50
7.2.130.0080.00617.19
7.2.120.0050.00917.22
7.2.110.0070.00817.18
7.2.100.0070.00817.17
7.2.90.0060.00917.12
7.2.80.0080.00717.28
7.2.70.0040.00817.08
7.2.60.0100.00517.13
7.2.50.0050.01017.27
7.2.40.0050.00917.25
7.2.30.0100.00617.31
7.2.20.0090.00617.14
7.2.10.0060.01017.15
7.2.00.0080.00817.53
7.1.330.0070.00816.35
7.1.320.0060.00716.28
7.1.310.0050.00816.43
7.1.300.0070.00616.39
7.1.290.0040.00716.30
7.1.280.0060.00716.40
7.1.270.0070.00516.33
7.1.260.0020.01016.42
7.1.250.0050.00915.96
7.1.240.0070.00516.34
7.1.230.0080.00516.40
7.1.220.0040.01016.25
7.1.210.0050.00816.35
7.1.200.0060.00716.20
7.1.190.0070.00716.20
7.1.180.0050.00716.28
7.1.170.0050.00816.33
7.1.160.0040.00816.29
7.1.150.0030.01116.29
7.1.140.0050.00916.27
7.1.130.0060.00916.29
7.1.120.0020.01416.29
7.1.110.0050.01116.45
7.1.100.0090.00616.81
7.1.90.0070.00816.40
7.1.80.0080.00816.25
7.1.70.0030.01116.59
7.1.60.0080.00817.13
7.1.50.0120.01020.93
7.1.40.0050.01116.32
7.1.30.0070.00716.29
7.1.20.0060.01016.42
7.1.10.0050.00716.38
7.1.00.0050.02617.84
7.0.330.0080.00515.90
7.0.320.0060.00615.83
7.0.310.0040.00915.91
7.0.300.0050.00715.93
7.0.290.0050.01015.87
7.0.280.0050.00715.78
7.0.270.0070.00615.97
7.0.260.0070.00815.98
7.0.250.0060.00815.83
7.0.240.0020.01115.97
7.0.230.0090.00616.09
7.0.220.0050.00815.98
7.0.210.0010.01315.95
7.0.200.0070.00616.08
7.0.190.0100.00615.90
7.0.180.0070.00815.93
7.0.170.0040.00816.13
7.0.160.0050.00916.00
7.0.150.0040.00916.09
7.0.140.0060.02317.42
7.0.130.0050.01215.99
7.0.120.0020.01015.96
7.0.110.0070.00516.07
7.0.100.0070.00915.94
7.0.90.0190.01416.95
7.0.80.0180.02516.91
7.0.70.0200.02417.05
7.0.60.0180.02616.85
7.0.50.0220.02217.06
7.0.40.0060.02615.56
7.0.30.0030.02915.40
7.0.20.0040.02015.53
7.0.10.0090.02415.49
7.0.00.0070.02215.53
5.6.400.0030.01115.04
5.6.390.0080.00615.04
5.6.380.0040.00915.05
5.6.370.0070.00815.05
5.6.360.0080.00615.08
5.6.350.0070.01015.19
5.6.340.0040.00815.03
5.6.330.0050.00914.91
5.6.320.0050.00715.18
5.6.310.0050.01014.91
5.6.300.0060.00814.89
5.6.290.0100.00415.01
5.6.280.0080.02116.55
5.6.270.0070.00514.97
5.6.260.0070.00815.05
5.6.250.0060.00614.90
5.6.240.0050.02816.41
5.6.230.0100.01316.43
5.6.220.0060.02716.38
5.6.210.0040.02616.46
5.6.200.0080.02416.46
5.6.190.0110.02316.58
5.6.180.0050.02716.61
5.6.170.0020.01916.57
5.6.160.0060.02416.42
5.6.150.0100.02416.56
5.6.140.0100.02216.61
5.6.130.0040.02816.45
5.6.120.0080.02316.63
5.6.110.0070.02716.56
5.6.100.0080.02516.42
5.6.90.0100.01816.53
5.6.80.0070.02416.31
5.6.70.0050.02716.24
5.6.60.0070.01816.17
5.6.50.0090.02516.41
5.6.40.0060.02716.25
5.6.30.0070.02616.26
5.6.20.0070.02516.30
5.6.10.0060.02616.43
5.6.00.0060.02916.22
5.5.380.0040.02716.29
5.5.370.0050.02316.34
5.5.360.0110.02316.47
5.5.350.0100.02316.35
5.5.340.0050.02716.46
5.5.330.0060.02816.35
5.5.320.0060.02716.56
5.5.310.0080.01716.57
5.5.300.0080.02316.53
5.5.290.0050.02716.51
5.5.280.0070.01316.38
5.5.270.0090.01916.37
5.5.260.0080.02816.54
5.5.250.0060.01716.33
5.5.240.0090.02416.21
5.5.230.0060.02116.25
5.5.220.0100.02316.27
5.5.210.0090.01916.32
5.5.200.0060.01616.21
5.5.190.0070.01816.25
5.5.180.0070.02516.21
5.5.170.0040.00714.87
5.5.160.0080.02616.16
5.5.150.0080.01816.20
5.5.140.0090.01616.22
5.5.130.0080.02416.25
5.5.120.0050.02816.26
5.5.110.0040.02016.32
5.5.100.0080.02016.24
5.5.90.0070.02616.17
5.5.80.0050.01916.18
5.5.70.0030.02416.11
5.5.60.0070.01716.10
5.5.50.0080.01816.21
5.5.40.0060.01716.19
5.5.30.0060.02516.20
5.5.20.0060.02716.24
5.5.10.0080.02516.07
5.5.00.0070.02316.08
5.4.450.0050.02014.21
5.4.440.0040.02214.24
5.4.430.0080.01914.17
5.4.420.0060.01614.16
5.4.410.0080.02014.12
5.4.400.0050.01814.09
5.4.390.0070.02214.08
5.4.380.0040.01514.08
5.4.370.0050.02414.08
5.4.360.0080.02014.11
5.4.350.0060.02114.00
5.4.340.0040.01714.15
5.4.330.0030.00712.45
5.4.320.0040.02514.07
5.4.310.0030.02514.13
5.4.300.0060.02414.12
5.4.290.0070.01514.16
5.4.280.0090.02214.04
5.4.270.0020.01914.08
5.4.260.0050.02214.05
5.4.250.0040.02514.13
5.4.240.0070.02314.08
5.4.230.0060.02014.10
5.4.220.0070.01414.05
5.4.210.0020.02214.08
5.4.200.0040.01714.13
5.4.190.0040.01314.12
5.4.180.0020.02414.12
5.4.170.0010.02714.09
5.4.160.0060.01814.05
5.4.150.0070.01614.14
5.4.140.0090.01913.39
5.4.130.0060.02313.46
5.4.120.0040.02013.41
5.4.110.0020.02413.44
5.4.100.0030.02213.45
5.4.90.0040.01413.39
5.4.80.0060.01713.42
5.4.70.0060.02213.44
5.4.60.0040.02513.38
5.4.50.0040.01713.42
5.4.40.0050.02213.45
5.4.30.0050.01813.45
5.4.20.0050.02313.44
5.4.10.0070.01713.44
5.4.00.0020.01813.30
5.3.290.0050.01913.12
5.3.280.0020.01713.04
5.3.270.0090.02113.08
5.3.260.0070.02013.10
5.3.250.0040.01713.07
5.3.240.0010.02913.03
5.3.230.0070.01213.07
5.3.220.0080.01913.05
5.3.210.0050.02313.07
5.3.200.0050.02313.09
5.3.190.0020.02413.05
5.3.180.0050.02513.11
5.3.170.0070.02113.05
5.3.160.0030.02213.16
5.3.150.0070.02213.11
5.3.140.0030.02213.12
5.3.130.0060.02513.06
5.3.120.0050.02413.06
5.3.110.0020.01713.04
5.3.100.0060.01612.94
5.3.90.0050.01312.92
5.3.80.0030.02112.90
5.3.70.0000.02712.86
5.3.60.0030.02412.91
5.3.50.0060.01612.85
5.3.40.0020.01812.90
5.3.30.0050.02212.88
5.3.20.0050.01912.88
5.3.10.0040.02012.80
5.3.00.0020.02112.76
5.2.170.0100.06011.18
5.2.160.0070.06311.17
5.2.150.0030.06311.25
5.2.140.0000.04011.18
5.2.130.0070.05711.14
5.2.120.0000.05011.09
5.2.110.0000.06711.23
5.2.100.0070.03311.21
5.2.90.0000.03311.11
5.2.80.0030.05311.16
5.2.70.0130.05311.10
5.2.60.0130.05311.16
5.2.50.0070.05311.10
5.2.40.0070.06310.88
5.2.30.0070.06010.98
5.2.20.0030.03311.00
5.2.10.0070.05710.94
5.2.00.0100.04310.74
5.1.60.0070.05310.06
5.1.50.0070.05310.08
5.1.40.0030.0539.99
5.1.30.0070.05310.29
5.1.20.0070.03310.43
5.1.10.0100.03310.19
5.1.00.0030.05310.08
5.0.50.0070.0438.66
5.0.40.0000.0438.46
5.0.30.0070.0538.27
5.0.20.0070.0238.07
5.0.10.0070.0308.23
5.0.00.0000.0708.23
4.4.90.0000.0207.28
4.4.80.0000.0237.28
4.4.70.0000.0407.28
4.4.60.0030.0337.28
4.4.50.0030.0337.28
4.4.40.0070.0507.28
4.4.30.0070.0337.28
4.4.20.0000.0407.28
4.4.10.0070.0277.28
4.4.00.0030.0437.28
4.3.110.0070.0177.28
4.3.100.0000.0307.28
4.3.90.0030.0237.28
4.3.80.0100.0407.28
4.3.70.0000.0337.28
4.3.60.0000.0377.28
4.3.50.0030.0307.28
4.3.40.0030.0477.28
4.3.30.0030.0337.28
4.3.20.0030.0307.28
4.3.10.0070.0337.28
4.3.00.0030.0307.28

preferences:
42.62 ms | 401 KiB | 5 Q