3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array_expression = array('s'=>'b','y'=>'g'); foreach ($array_expression as $key => $value) { show(':' . $key, $value); } var_dump($array_expression); function show($a,$b){ $a = 'sss'; $b = 'bbb'; }

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)
8.3.60.0150.00616.36
8.3.50.0110.01021.95
8.3.40.0100.00718.58
8.3.30.0170.00018.86
8.3.20.0040.00420.16
8.3.10.0080.00021.77
8.3.00.0080.00017.38
8.2.180.0110.00418.16
8.2.170.0070.01318.91
8.2.160.0040.01122.96
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0090.00019.36
8.2.110.0080.00319.21
8.2.100.0060.00617.50
8.2.90.0060.00319.17
8.2.80.0050.00317.97
8.2.70.0030.00517.63
8.2.60.0080.00017.80
8.2.50.0030.00518.07
8.2.40.0030.00518.09
8.2.30.0040.00418.01
8.2.20.0020.00517.55
8.2.10.0050.00318.10
8.2.00.0110.00017.67
8.1.280.0070.00725.92
8.1.270.0080.00020.36
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.95
8.1.230.0080.00417.79
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0000.00718.10
8.1.170.0000.00820.34
8.1.160.0040.00421.91
8.1.150.0050.00318.75
8.1.140.0040.00417.47
8.1.130.0070.00017.81
8.1.120.0040.00417.35
8.1.110.0000.00817.47
8.1.100.0040.00417.39
8.1.90.0030.00317.54
8.1.80.0000.00717.46
8.1.70.0040.00417.44
8.1.60.0060.00317.57
8.1.50.0000.00917.41
8.1.40.0030.00617.47
8.1.30.0060.00317.63
8.1.20.0000.00717.63
8.1.10.0040.00417.51
8.1.00.0000.00717.48
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0040.00417.24
8.0.260.0030.00317.24
8.0.250.0020.00516.98
8.0.240.0070.00016.93
8.0.230.0070.00016.84
8.0.220.0030.00316.79
8.0.210.0000.00716.92
8.0.200.0030.00316.77
8.0.190.0040.00416.95
8.0.180.0000.00716.91
8.0.170.0040.00416.95
8.0.160.0070.00016.93
8.0.150.0030.00416.95
8.0.140.0030.00316.74
8.0.130.0060.00013.26
8.0.120.0040.00416.82
8.0.110.0040.00416.92
8.0.100.0070.00016.76
8.0.90.0040.00416.99
8.0.80.0070.01416.79
8.0.70.0050.00316.84
8.0.60.0040.00416.74
8.0.50.0040.00416.87
8.0.30.0160.00716.99
8.0.20.0120.00817.40
8.0.10.0040.00417.02
8.0.00.0110.00716.88
7.4.330.0000.00515.04
7.4.320.0060.00016.44
7.4.300.0080.00016.39
7.4.290.0050.00316.59
7.4.280.0030.00516.50
7.4.270.0050.00216.53
7.4.260.0040.00416.52
7.4.250.0000.00816.50
7.4.240.0050.00216.54
7.4.230.0030.00316.68
7.4.220.0070.01016.53
7.4.210.0070.00716.68
7.4.200.0000.00716.57
7.4.160.0060.01116.38
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0080.01116.48
7.4.120.0100.01016.41
7.4.110.0100.01416.43
7.4.100.0090.01516.29
7.4.90.0080.01116.48
7.4.80.0180.00419.39
7.4.70.0070.01116.47
7.4.60.0070.01016.45
7.4.50.0030.00616.22
7.4.40.0120.01216.50
7.4.30.0030.01216.53
7.4.00.0090.00614.98
7.3.330.0000.00613.30
7.3.320.0080.00813.27
7.3.310.0040.00416.35
7.3.300.0000.00716.10
7.3.290.0100.00416.31
7.3.280.0110.00716.22
7.3.270.0060.01217.40
7.3.260.0150.00316.39
7.3.250.0140.00616.45
7.3.240.0060.01216.50
7.3.230.0070.01116.39
7.3.210.0100.00716.44
7.3.200.0120.01219.39
7.3.190.0180.00316.38
7.3.180.0110.01116.66
7.3.170.0140.00416.47
7.3.160.0090.00616.42
7.2.330.0110.00616.39
7.2.320.0160.00316.74
7.2.310.0090.00816.50
7.2.300.0070.01016.67
7.2.290.0030.01316.73
7.2.110.0130.00316.32
7.2.60.0110.00416.77
7.2.00.0030.00719.59
7.1.200.0030.00915.83
7.1.100.0060.00918.16
7.1.70.0020.00516.80
7.1.60.0110.01119.50
7.1.50.0100.01416.93
7.1.00.0030.07322.43
7.0.200.0000.00816.46
7.0.140.0000.05322.08
7.0.60.0200.07320.07
7.0.50.0030.04317.95
7.0.40.0030.04720.18
7.0.30.0300.07720.06
7.0.20.0230.06720.07
7.0.10.0300.07720.12
7.0.00.0100.09020.08
5.6.280.0030.07021.11
5.6.210.0070.07320.56
5.6.200.0070.07018.29
5.6.190.0130.07720.60
5.6.180.0270.04020.46
5.6.170.0270.05020.54
5.6.160.0030.05020.57
5.6.150.0030.07018.17
5.6.140.0100.08018.28
5.6.130.0130.06718.14
5.6.120.0130.07320.89
5.6.110.0030.06721.14
5.6.100.0100.08020.96
5.6.90.0000.04321.12
5.6.80.0100.05320.54
5.6.70.0300.06720.43
5.5.350.0170.06720.46
5.5.340.0100.03317.95
5.5.330.0030.05020.26
5.5.320.0330.07020.57
5.5.310.0270.07720.36
5.5.300.0070.04718.07
5.5.290.0070.07317.92
5.5.280.0070.08720.88
5.5.270.0100.08020.64
5.5.260.0070.04320.84
5.5.250.0030.08320.79
5.5.240.0100.07020.24
5.4.450.0330.06019.61
5.4.440.0130.05319.37
5.4.430.0830.05719.66
5.4.420.0230.05719.29
5.4.410.0130.05319.00
5.4.400.1670.05718.76
5.4.390.0370.06318.59
5.4.380.0130.07718.63
5.4.370.0170.06318.54
5.4.360.0270.07018.77
5.4.350.1730.06318.59
5.4.340.3730.06018.79
5.4.320.0470.04318.59
5.4.310.2430.05718.70
5.4.300.0400.05318.74
5.4.290.0430.05318.50
5.4.280.0370.06318.72
5.4.270.0300.04018.59
5.4.260.0170.06318.74
5.4.250.0230.07718.72
5.4.240.4100.04318.73
5.4.230.0400.05318.66
5.4.220.0330.06318.46
5.4.210.3200.06718.48
5.4.200.0370.05316.78
5.4.190.0400.06718.68
5.4.180.0400.08318.68
5.4.170.0170.05718.77
5.4.160.0130.05318.50
5.4.150.0400.06718.69
5.4.140.0200.05316.43
5.4.130.0230.04716.29
5.4.120.0530.05316.45
5.4.110.0370.05316.19
5.4.100.0370.06016.21
5.4.90.0300.06716.28
5.4.80.1800.06016.27
5.4.70.1770.05316.43
5.4.60.2200.05716.30
5.4.50.0370.05316.20
5.4.40.0370.06716.27
5.4.30.0430.05716.27
5.4.20.0400.04316.22
5.4.10.0400.05016.16
5.4.00.0300.05715.74
5.3.290.0370.06314.84
5.3.280.0430.04314.81
5.3.270.0330.05714.74
5.3.260.0270.05714.78
5.3.250.0370.04714.63
5.3.240.0400.04714.64
5.3.230.0330.05314.77
5.3.220.0470.04714.78
5.3.210.3170.05714.54
5.3.200.0270.05714.57
5.3.190.2000.04714.78
5.3.180.0470.06014.54
5.3.170.0400.04714.77
5.3.160.2170.06714.61
5.3.150.0400.04714.57
5.3.140.1870.05014.67
5.3.130.0330.06714.56
5.3.120.1970.05714.56
5.3.110.0270.06014.55
5.3.100.0270.05314.05
5.3.90.0300.04714.06
5.3.80.1870.05014.02
5.3.70.0270.05314.08
5.3.60.2400.05014.06
5.3.50.0270.05714.02
5.3.40.0330.05713.93
5.3.30.2930.06314.02
5.3.20.0430.04313.85
5.3.10.1970.04313.68
5.3.00.0330.05013.86
5.2.170.0300.04011.18
5.2.160.0300.03311.26
5.2.150.1770.05011.25
5.2.140.0330.03711.18
5.2.130.0400.05011.23
5.2.120.0400.03711.16
5.2.110.2600.04711.23
5.2.100.0300.04011.23
5.2.90.2730.03011.14
5.2.80.0300.04011.20
5.2.70.0170.05311.12
5.2.60.2730.04011.05
5.2.50.0270.04311.02
5.2.40.0270.04311.05
5.2.30.1830.04010.96
5.2.20.0200.04011.05
5.2.10.0270.03310.98
5.2.00.0270.04010.76
5.1.60.2300.03310.18
5.1.50.0300.03310.02
5.1.40.0270.02710.05
5.1.30.2100.03710.43
5.1.20.0170.04310.45
5.1.10.1670.03710.09
5.1.00.0330.04010.11
5.0.50.0070.0408.68
5.0.40.0170.0338.50
5.0.30.0070.0508.36
5.0.20.0170.0278.24
5.0.10.0170.0308.16
5.0.00.0170.0508.30
4.4.90.0070.0275.88
4.4.80.2170.0235.90
4.4.70.0170.0205.96
4.4.60.0130.0205.88
4.4.50.0170.0175.89
4.4.40.0170.0305.97
4.4.30.0130.0205.90
4.4.20.0100.0335.94
4.4.10.0170.0235.93
4.4.00.0100.0305.95
4.3.110.0070.0235.93
4.3.100.0000.0275.90
4.3.90.0100.0205.87
4.3.80.0030.0375.82
4.3.70.0030.0235.80
4.3.60.0070.0235.80
4.3.50.0030.0275.84
4.3.40.0100.0305.77
4.3.30.0030.0234.57
4.3.20.0100.0174.57
4.3.10.0000.0274.50
4.3.00.0000.0236.75

preferences:
45.29 ms | 401 KiB | 5 Q