3v4l.org

run code in 300+ PHP versions simultaneously
<?php class testCase { private $stores; public function doFunction($items = array(), $out ) { foreach($items as $num => $val) { if($num%2 == 0) { $out = $val; } else { $out = strtoupper($val); } $out = "<br />"; } return $this->store = $out; } /* PRIVATE, SO NOT ACCESSIBLE! */ private function unFunction($items = '', $out = array()) { $items = implode("<br >", $items, -1); foreach($items as $num => $val) { if($num%2 != 0) { $out[$num] = $val; } else { $out[$num] = strtlower($val); } } echo $out; } } // $test = new testCase(); //echo $test -> doFunction(array_merge(range(0,25), range('a','z'))) . "<hr />"; //print_r($test -> unFunction($test->store)); print_r(array_merge(range(0,25), range('a','z'))); ?>

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)
8.3.60.0170.00318.68
8.3.50.0080.01022.05
8.3.40.0040.01118.84
8.3.30.0070.00718.92
8.3.20.0000.00720.21
8.3.10.0050.00322.10
8.3.00.0040.00422.44
8.2.180.0110.00716.63
8.2.170.0090.00922.96
8.2.160.0070.00720.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0140.00326.16
8.2.120.0050.00517.63
8.2.110.0060.00322.23
8.2.100.0080.00419.29
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0050.00317.50
8.2.60.0000.00817.91
8.2.50.0040.00418.07
8.2.40.0030.00618.03
8.2.30.0070.00017.96
8.2.20.0040.00417.54
8.2.10.0000.00819.22
8.2.00.0000.00717.50
8.1.280.0170.00325.92
8.1.270.0000.00822.06
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00023.87
8.1.230.0040.00719.10
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0030.00617.29
8.1.180.0080.00018.10
8.1.170.0090.00018.57
8.1.160.0030.00521.97
8.1.150.0040.00418.44
8.1.140.0080.00017.26
8.1.130.0040.00417.82
8.1.120.0040.00417.37
8.1.110.0040.00417.30
8.1.100.0070.00017.31
8.1.90.0030.00417.34
8.1.80.0040.00417.22
8.1.70.0000.00717.23
8.1.60.0070.00317.44
8.1.50.0000.00717.32
8.1.40.0030.00517.40
8.1.30.0000.00817.47
8.1.20.0040.00417.59
8.1.10.0070.00017.32
8.1.00.0040.00417.30
8.0.300.0000.00718.77
8.0.290.0040.00416.91
8.0.280.0030.00318.40
8.0.270.0040.00417.00
8.0.260.0030.00316.77
8.0.250.0000.00716.81
8.0.240.0040.00416.82
8.0.230.0000.00816.88
8.0.220.0030.00316.78
8.0.210.0040.00416.78
8.0.200.0030.00316.81
8.0.190.0000.00716.91
8.0.180.0030.00316.79
8.0.170.0060.00316.77
8.0.160.0000.00716.88
8.0.150.0000.00716.76
8.0.140.0040.00416.81
8.0.130.0030.00313.25
8.0.120.0040.00416.68
8.0.110.0040.00416.92
8.0.100.0070.00016.96
8.0.90.0040.00416.74
8.0.80.0100.01316.82
8.0.70.0040.00416.75
8.0.60.0000.00716.75
8.0.50.0000.00816.73
8.0.30.0110.00716.88
8.0.20.0120.01117.40
8.0.10.0000.00716.80
8.0.00.0070.01216.60
7.4.330.0000.00615.00
7.4.320.0000.00616.51
7.4.300.0000.00616.43
7.4.290.0030.00316.49
7.4.280.0070.00016.46
7.4.270.0060.00016.51
7.4.260.0000.00816.46
7.4.250.0040.00416.25
7.4.240.0050.00216.43
7.4.230.0000.00816.24
7.4.220.0030.01416.56
7.4.210.0090.01016.48
7.4.200.0000.00716.60
7.4.190.0040.00416.31
7.4.160.0070.01016.58
7.4.150.0110.00717.40
7.4.140.0090.01117.86
7.4.130.0100.00716.31
7.4.120.0030.01416.41
7.4.110.0140.00316.20
7.4.100.0130.00616.48
7.4.90.0130.00316.39
7.4.80.0060.01519.39
7.4.70.0090.00916.46
7.4.60.0080.00816.32
7.4.50.0030.00316.49
7.4.40.0070.00722.77
7.4.30.0080.00816.51
7.4.00.0100.00314.78
7.3.330.0050.00013.14
7.3.320.0000.00513.16
7.3.310.0030.00316.07
7.3.300.0070.00016.21
7.3.290.0030.01116.22
7.3.280.0100.00816.15
7.3.270.0110.00617.40
7.3.260.0150.00316.17
7.3.250.0060.01116.33
7.3.240.0030.01316.33
7.3.230.0140.00416.39
7.3.210.0000.01716.48
7.3.200.0030.01319.39
7.3.190.0170.00016.51
7.3.180.0100.00616.22
7.3.170.0040.01316.48
7.3.160.0090.00616.32
7.3.120.0100.00314.61
7.2.330.0030.01416.43
7.2.320.0120.00616.62
7.2.310.0080.00816.54
7.2.300.0100.00616.20
7.2.290.0070.01416.41
7.2.00.0060.00919.05
7.1.100.0030.01017.91
7.1.70.0000.00716.94
7.1.60.0070.01119.82
7.1.50.0070.01716.49
7.1.00.0000.08022.48
7.0.200.0030.01016.66
7.0.140.0000.07321.92
7.0.60.0070.08319.81
7.0.50.0070.08017.86
7.0.40.0070.08720.12
7.0.30.0200.04320.09
7.0.20.0370.07020.23
7.0.10.0270.06320.11
7.0.00.0170.04020.07
5.6.210.0100.08320.55
5.6.200.0070.08318.29
5.6.190.0100.05720.52
5.6.180.0430.07720.48
5.6.170.0400.07320.57
5.6.160.0030.06320.46
5.6.150.0170.07018.27
5.6.140.0100.04718.25
5.6.130.0030.05318.27
5.6.120.0030.08021.04
5.6.110.0070.08020.99
5.6.100.0070.04720.98
5.6.90.0100.06720.99
5.6.80.0070.04720.39
5.5.350.0230.06320.41
5.5.340.0030.08318.07
5.5.330.0000.05720.47
5.5.320.0300.08720.29
5.5.310.0230.04320.26
5.5.300.0030.04017.98
5.5.290.0100.06317.98
5.5.280.0130.08020.86
5.5.270.0070.08020.76
5.5.260.0100.08020.89
5.5.250.0170.06020.67
5.5.240.0070.07020.27
5.4.450.0630.06319.64
5.4.440.0770.06019.60
5.4.430.0870.04319.34
5.4.420.0670.07319.54
5.4.410.0230.04319.04
5.4.400.0200.06318.83
5.4.390.0100.05719.35
5.4.380.0970.05318.79
5.4.370.0170.05318.73
5.4.360.0200.05018.79
5.4.350.0130.06018.73
5.4.340.0270.04718.62
5.4.320.0080.03412.51
5.4.310.0070.04212.51
5.4.300.0060.05112.51
5.4.290.0080.04512.50
5.4.280.0070.03512.41
5.4.270.0100.05318.96
5.4.260.0000.08318.91
5.4.250.0170.07018.99
5.4.240.0170.07718.74
5.4.230.0070.05718.74
5.4.220.0170.07319.00
5.4.210.0000.06718.96
5.4.200.0100.05718.96
5.4.190.0130.06018.78
5.4.180.0170.05718.93
5.4.170.0070.07718.64
5.4.160.0070.07018.75
5.4.150.0070.08018.64
5.4.140.0200.07016.36
5.4.130.0100.06016.44
5.4.120.0170.04316.36
5.4.110.0130.05716.64
5.4.100.0100.05016.52
5.4.90.0070.05016.41
5.4.80.0130.05716.32
5.4.70.0000.06016.58
5.4.60.0100.07316.54
5.4.50.0030.07716.47
5.4.40.0100.07016.51
5.4.30.0130.06716.36
5.4.20.0170.06316.47
5.4.10.0170.06316.38
5.4.00.0100.06015.92
5.3.290.0100.04612.80
5.3.280.0070.05714.63
5.3.270.0100.07714.45
5.3.260.0070.06314.45
5.3.250.0030.06714.75
5.3.240.0030.07714.69
5.3.230.0100.07314.59
5.3.220.0130.04714.57
5.3.210.0000.06714.64
5.3.200.0000.06314.67
5.3.190.0100.06314.75
5.3.180.0100.05314.65
5.3.170.0070.07014.75
5.3.160.0170.04714.48
5.3.150.0130.05314.66
5.3.140.0170.06314.55
5.3.130.0070.05714.60
5.3.120.0070.06714.69
5.3.110.0100.06014.65
5.3.100.0230.04313.87
5.3.90.0170.04014.24
5.3.80.0070.06314.04
5.3.70.0170.06714.10
5.3.60.0070.06714.07
5.3.50.0200.04014.02
5.3.40.0130.05014.12
5.3.30.0130.07013.91
5.3.20.0200.05013.88
5.3.10.0200.04713.84
5.3.00.0070.06313.70
5.2.170.0130.05311.24
5.2.160.0100.04711.33
5.2.150.0200.03311.11
5.2.140.0100.05711.12
5.2.130.0100.05011.10
5.2.120.0130.05311.19
5.2.110.0170.04311.09
5.2.100.0070.04011.19
5.2.90.0070.05711.18
5.2.80.0100.04711.09
5.2.70.0270.04011.05
5.2.60.0170.06011.15
5.2.50.0170.04311.02
5.2.40.0000.05011.18
5.2.30.0130.05011.05
5.2.20.0130.04311.05
5.2.10.0130.05310.95
5.2.00.0130.04010.71
5.1.60.0030.04310.02
5.1.50.0000.05310.06
5.1.40.0100.03710.00
5.1.30.0100.03710.33
5.1.20.0130.04010.59
5.1.10.0030.05010.07
5.1.00.0130.02710.06
5.0.50.0000.0438.52
5.0.40.0100.0238.50
5.0.30.0130.0578.08
5.0.20.0030.0278.32
5.0.10.0100.0278.30
5.0.00.0030.0538.24
4.4.90.0000.0335.90
4.4.80.0030.0235.84
4.4.70.0100.0235.90
4.4.60.0030.0205.75
4.4.50.0070.0175.80
4.4.40.0030.0475.81
4.4.30.0070.0235.96
4.4.20.0070.0205.88
4.4.10.0100.0235.97
4.4.00.0070.0375.88
4.3.110.0030.0305.78
4.3.100.0100.0235.78
4.3.90.0070.0205.87
4.3.80.0070.0305.82
4.3.70.0070.0305.80
4.3.60.0000.0235.71
4.3.50.0070.0275.77
4.3.40.0000.0335.68
4.3.30.0000.0275.66
4.3.20.0000.0305.66
4.3.10.0000.0305.66
4.3.00.0100.0208.53

preferences:
56.54 ms | 401 KiB | 5 Q