3v4l.org

run code in 300+ PHP versions simultaneously
<?php class CSVFileIterator implements Iterator{ protected $_index = 0; function __construct() { } /** * (PHP 5 >= 5.0.0)<br/> * Return the current element * @link http://php.net/manual/en/iterator.current.php * @return mixed Can return any type. */ public function current() { return $this->_index; } /** * (PHP 5 >= 5.0.0)<br/> * Move forward to next element * @link http://php.net/manual/en/iterator.next.php * @return void Any returned value is ignored. */ public function next() { var_dump('next'); $this->_index++; } /** * (PHP 5 >= 5.0.0)<br/> * Return the key of the current element * @link http://php.net/manual/en/iterator.key.php * @return mixed scalar on success, or null on failure. */ public function key() { var_dump('key'); return $this->_index; } /** * (PHP 5 >= 5.0.0)<br/> * Checks if current position is valid * @link http://php.net/manual/en/iterator.valid.php * @return boolean The return value will be casted to boolean and then evaluated. * Returns true on success or false on failure. */ public function valid() { var_dump('valid'); return $this->_index <5; } /** * (PHP 5 >= 5.0.0)<br/> * Rewind the Iterator to the first element * @link http://php.net/manual/en/iterator.rewind.php * @return void Any returned value is ignored. */ public function rewind() { var_dump('rewind'); $this->_index = 0; } } $i = new CSVFileIterator(); foreach ($i as $j) var_dump($j);

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)
8.3.40.0000.01418.88
8.3.30.0120.00318.52
8.3.20.0000.00818.52
8.3.10.0070.00020.79
8.3.00.0040.00419.56
8.2.170.0130.00322.96
8.2.160.0100.00720.38
8.2.150.0050.00524.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00421.05
8.2.110.0060.00320.53
8.2.100.0060.00617.72
8.2.90.0040.00419.36
8.2.80.0000.00817.97
8.2.70.0030.00717.63
8.2.60.0040.00418.15
8.2.50.0090.00018.07
8.2.40.0000.00818.28
8.2.30.0000.00721.10
8.2.20.0040.00417.84
8.2.10.0000.00817.77
8.2.00.0040.00417.75
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00622.51
8.1.230.0080.00420.98
8.1.220.0000.00818.77
8.1.210.0040.00418.99
8.1.200.0030.00617.13
8.1.190.0040.00417.66
8.1.180.0000.00818.10
8.1.170.0040.00418.71
8.1.160.0040.00418.85
8.1.150.0050.00218.65
8.1.140.0050.00317.45
8.1.130.0030.00317.91
8.1.120.0050.00317.56
8.1.110.0030.00617.38
8.1.100.0000.00817.43
8.1.90.0030.00617.49
8.1.80.0040.00417.54
8.1.70.0040.00417.38
8.1.60.0060.00317.55
8.1.50.0040.00417.54
8.1.40.0000.00817.54
8.1.30.0040.00417.66
8.1.20.0000.00817.60
8.1.10.0000.00817.59
8.1.00.0030.00617.42
8.0.300.0030.00519.95
8.0.290.0000.00817.30
8.0.280.0030.00318.39
8.0.270.0070.00017.23
8.0.260.0030.00316.88
8.0.250.0080.00316.95
8.0.240.0000.00816.89
8.0.230.0000.00616.95
8.0.220.0030.00716.88
8.0.210.0000.00716.97
8.0.200.0060.00016.99
8.0.190.0000.00816.97
8.0.180.0040.00416.91
8.0.170.0040.00416.89
8.0.160.0050.00316.80
8.0.150.0000.00816.72
8.0.140.0040.00416.85
8.0.130.0050.00013.40
8.0.120.0040.00416.91
8.0.110.0040.00416.96
8.0.100.0000.00716.86
8.0.90.0050.00316.80
8.0.80.0000.01716.89
8.0.70.0020.00516.95
8.0.60.0040.00417.04
8.0.50.0070.00016.96
8.0.30.0120.01017.36
8.0.20.0140.00917.40
8.0.10.0030.00516.94
8.0.00.0060.01216.78
7.4.330.0050.00016.83
7.4.320.0000.00616.49
7.4.300.0000.00616.53
7.4.290.0000.00716.57
7.4.280.0020.00516.62
7.4.270.0060.00016.48
7.4.260.0000.00513.41
7.4.250.0040.00416.58
7.4.240.0000.00716.42
7.4.230.0030.00316.61
7.4.220.0120.00916.62
7.4.210.0060.01016.61
7.4.200.0030.00316.50
7.4.190.0040.00416.71
7.4.160.0110.00516.57
7.4.150.0090.00917.40
7.4.140.0140.00417.86
7.4.130.0100.01216.53
7.4.120.0040.01416.54
7.4.110.0120.00716.57
7.4.100.0150.00316.43
7.4.90.0170.00916.47
7.4.80.0070.01019.39
7.4.70.0030.01316.41
7.4.60.0160.00016.64
7.4.50.0000.00716.35
7.4.40.0100.00722.77
7.4.30.0130.00416.53
7.4.00.0070.01015.18
7.3.330.0050.00013.27
7.3.320.0000.00613.09
7.3.310.0040.00416.20
7.3.300.0070.00016.29
7.3.290.0100.01016.28
7.3.280.0090.00716.29
7.3.270.0100.01617.40
7.3.260.0080.01218.24
7.3.250.0090.01016.47
7.3.240.0100.01316.33
7.3.230.0130.00816.39
7.3.210.0040.01416.44
7.3.200.0100.00719.39
7.3.190.0100.01016.29
7.3.180.0000.01616.60
7.3.170.0080.00816.27
7.3.160.0060.00916.28
7.3.120.0110.00314.75
7.3.10.0130.00716.76
7.3.00.0000.01116.68
7.2.330.0060.01316.77
7.2.320.0080.01516.68
7.2.310.0070.01616.71
7.2.300.0100.00616.81
7.2.290.0160.00016.72
7.2.130.0030.00616.84
7.2.120.0130.00316.89
7.2.110.0140.00416.88
7.2.100.0000.01316.93
7.2.90.0090.00617.02
7.2.80.0130.00017.08
7.2.70.0080.00617.04
7.2.60.0050.00517.03
7.2.50.0060.01316.79
7.2.40.0070.01516.68
7.2.30.0060.00616.90
7.2.20.0000.01116.99
7.2.10.0070.00717.08
7.2.00.0080.00618.14
7.1.250.0030.01015.67
7.1.100.0070.00718.04
7.1.70.0100.00016.85
7.1.60.0050.00517.13
7.1.50.0000.01016.70
7.1.00.0070.03022.35
7.0.200.0100.00016.90
7.0.140.0070.07022.00
7.0.100.0070.05719.98
7.0.90.0030.07719.95
7.0.80.0270.06019.89
7.0.70.0300.07320.03
7.0.60.0100.05019.98
7.0.50.0070.07020.32
7.0.40.0100.08320.09
7.0.30.0070.08320.14
7.0.20.0070.08320.01
7.0.10.0070.07720.09
7.0.00.0200.06720.10
5.6.280.0000.07320.91
5.6.250.0100.06320.69
5.6.240.0100.04720.64
5.6.230.0070.07020.64
5.6.220.0030.04720.75
5.6.210.0130.07320.47
5.6.200.0070.04320.94
5.6.190.0030.06321.14
5.6.180.0000.05321.09
5.6.170.0130.07021.05
5.6.160.0030.04721.18
5.6.150.0130.08021.09
5.6.140.0030.08720.95
5.6.130.0070.08321.03
5.6.120.0100.07721.02
5.6.110.0030.07021.04
5.6.100.0130.05721.16
5.6.90.0070.04721.09
5.6.80.0030.04720.41
5.6.70.0130.04020.42
5.6.60.0170.07320.39
5.6.50.0030.08320.52
5.6.40.0030.04720.40
5.6.30.0130.07320.33
5.6.20.0100.06020.53
5.6.10.0000.05020.30
5.6.00.0100.07720.45
5.5.380.0130.03020.55
5.5.370.0030.08720.40
5.5.360.0070.08020.39
5.5.350.0130.06020.38
5.5.340.0100.07020.93
5.5.330.0100.04020.89
5.5.320.0070.08020.93
5.5.310.0100.05720.64
5.5.300.0170.05020.77
5.5.290.0130.07720.78
5.5.280.0030.08720.89
5.5.270.0100.07720.83
5.5.260.0100.06320.84
5.5.250.0030.05020.73
5.5.240.0100.05720.12
5.5.230.0030.08020.21
5.5.220.0030.05720.13
5.5.210.0070.07720.19
5.5.200.0030.07720.20
5.5.190.0030.06720.11
5.5.180.0100.03720.18
5.5.160.0070.05720.12
5.5.150.0130.07720.27
5.5.140.0070.08320.19
5.5.130.0070.07320.25
5.5.120.0100.07720.08
5.5.110.0100.07720.12
5.5.100.0130.06720.08
5.5.90.0070.07720.07
5.5.80.0100.07320.07
5.5.70.0070.08020.05
5.5.60.0030.07720.05
5.5.50.0070.06719.94
5.5.40.0100.08020.15
5.5.30.0030.07320.13
5.5.20.0070.05020.16
5.5.10.0030.08019.96
5.5.00.0030.08020.07
5.4.450.0070.04319.45
5.4.440.0070.07019.53
5.4.430.0100.04719.55
5.4.420.0100.07319.41
5.4.410.0070.07719.42
5.4.400.0100.06719.18
5.4.390.0170.05719.12
5.4.380.0030.07719.09
5.4.370.0170.05719.14
5.4.360.0070.06719.21
5.4.350.0170.06718.84
5.4.340.0030.10019.13
5.4.320.0100.08019.04
5.4.310.0100.07719.12
5.4.300.0030.07319.18
5.4.290.0100.06719.15
5.4.280.0100.07019.09
5.4.270.0070.08318.94
5.4.260.0170.07019.02
5.4.250.0100.07319.04
5.4.240.0030.08019.23
5.4.230.0100.07319.14
5.4.220.0170.06718.90
5.4.210.0100.07718.88
5.4.200.0130.04319.11
5.4.190.0000.04719.11
5.4.180.0000.04719.03
5.4.170.0130.03719.06
5.4.160.0030.07718.88
5.4.150.0070.07319.13
5.4.140.0030.04716.50
5.4.130.0100.07316.42
5.4.120.0100.06016.41
5.4.110.0130.07716.34
5.4.100.0070.06716.51
5.4.90.0100.05716.49
5.4.80.0070.03716.49
5.4.70.0130.07316.32
5.4.60.0070.06716.36
5.4.50.0100.07016.53
5.4.40.0070.07016.50
5.4.30.0070.07316.24
5.4.20.0170.06316.43
5.4.10.0030.05316.35
5.4.00.0030.07315.79
5.3.290.0100.07014.78
5.3.280.0030.06314.55
5.3.270.0130.08014.58
5.3.260.0030.05014.63
5.3.250.0030.07714.73
5.3.240.0070.07314.58
5.3.230.0070.08314.53
5.3.220.0070.07314.55
5.3.210.0100.03314.54
5.3.200.0100.07714.55
5.3.190.0070.08014.49
5.3.180.0030.06714.70
5.3.170.0100.05714.63
5.3.160.0070.07314.71
5.3.150.0200.05714.60
5.3.140.0070.05714.51
5.3.130.0100.06714.50
5.3.120.0100.07014.61
5.3.110.0000.06014.57
5.3.100.0100.07313.97
5.3.90.0070.03714.07
5.3.80.0130.07013.94
5.3.70.0130.07313.95
5.3.60.0000.07314.02
5.3.50.0030.07313.86
5.3.40.0000.04314.01
5.3.30.0030.07013.84
5.3.20.0070.07313.81
5.3.10.0000.04713.72
5.3.00.0030.04313.63
5.2.170.0130.03311.22
5.2.160.0030.06011.30
5.2.150.0030.03311.11
5.2.140.0130.05311.17
5.2.130.0030.06711.20
5.2.120.0200.02711.11
5.2.110.0100.05711.11
5.2.100.0130.05311.11
5.2.90.0000.03311.13
5.2.80.0070.06011.20
5.2.70.0100.05711.11
5.2.60.0030.05711.13
5.2.50.0030.06711.11
5.2.40.0070.05711.11
5.2.30.0030.03311.11
5.2.20.0000.03311.11
5.2.10.0070.04011.11
5.2.00.0130.05711.11
5.1.60.0030.04011.11
5.1.50.0070.04711.11
5.1.40.0000.05311.11
5.1.30.0030.04011.11
5.1.20.0000.03311.11
5.1.10.0030.03011.11
5.1.00.0070.05011.11
5.0.50.0030.04011.11
5.0.40.0030.04011.11
5.0.30.0030.03311.11
5.0.20.0000.02311.11
5.0.10.0030.03011.11
5.0.00.0070.05011.11
4.4.90.0000.03311.11
4.4.80.0100.02311.11
4.4.70.0100.01011.11
4.4.60.0000.02011.11
4.4.50.0000.02711.11
4.4.40.0000.03711.11
4.4.30.0030.02311.11
4.4.20.0070.02711.11
4.4.10.0000.03011.11
4.4.00.0000.05711.11
4.3.110.0030.02311.11
4.3.100.0030.02311.11
4.3.90.0000.02011.11
4.3.80.0000.02711.11
4.3.70.0000.03711.11
4.3.60.0030.03011.11
4.3.50.0000.02311.11
4.3.40.0000.04311.11
4.3.30.0000.02011.11
4.3.20.0030.02011.11
4.3.10.0000.02011.11
4.3.00.0030.01711.11

preferences:
38.85 ms | 400 KiB | 5 Q