3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1=['0'=>'my key should be a (numeric) string']; $a2=[0=>'my key should be an int']; $a3= new stdClass; $a3->{"0"} = 'my key should also a (numeric) string'; $a3=(array)$a3; foreach($a1 as $key=>$val){echo $val.': ';var_dump($key);} foreach($a2 as $key=>$val){echo $val.': ';var_dump($key);} foreach($a3 as $key=>$val){echo $val.': ';var_dump($key);} var_dump($a1,$a2,$a3);

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)
8.3.60.0140.00718.30
8.3.50.0100.01016.23
8.3.40.0070.00718.67
8.3.30.0070.00718.63
8.3.20.0030.00620.21
8.3.10.0050.00321.89
8.3.00.0030.00522.36
8.2.180.0110.00418.19
8.2.170.0120.00318.79
8.2.160.0100.00322.96
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0090.00926.16
8.2.120.0040.00421.13
8.2.110.0090.00021.18
8.2.100.0080.00417.78
8.2.90.0040.00417.63
8.2.80.0080.00018.71
8.2.70.0060.00317.63
8.2.60.0090.00017.50
8.2.50.0000.00817.55
8.2.40.0030.00521.24
8.2.30.0040.00719.22
8.2.20.0030.00518.08
8.2.10.0050.00318.06
8.2.00.0050.00218.21
8.1.280.0070.00725.92
8.1.270.0070.00023.83
8.1.260.0070.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00317.84
8.1.230.0100.00018.90
8.1.220.0000.00818.65
8.1.210.0050.00518.77
8.1.200.0040.00417.23
8.1.190.0080.00417.23
8.1.180.0000.00818.10
8.1.170.0030.00618.66
8.1.160.0000.00720.20
8.1.150.0040.00418.90
8.1.140.0030.00319.59
8.1.130.0070.00018.85
8.1.120.0000.00717.52
8.1.110.0070.00017.46
8.1.100.0040.00417.41
8.1.90.0040.00417.48
8.1.80.0000.00717.44
8.1.70.0000.00717.46
8.1.60.0040.00417.59
8.1.50.0000.00717.43
8.1.40.0030.00617.61
8.1.30.0070.00017.71
8.1.20.0040.00417.51
8.1.10.0070.00017.64
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.42
8.0.270.0000.00717.27
8.0.260.0030.00319.03
8.0.250.0030.00316.85
8.0.240.0040.00417.03
8.0.230.0060.00316.95
8.0.220.0000.00716.95
8.0.210.0040.00416.96
8.0.200.0000.00616.97
8.0.190.0000.00716.95
8.0.180.0040.00416.82
8.0.170.0000.00716.93
8.0.160.0000.00716.93
8.0.150.0000.00716.92
8.0.140.0040.00416.77
8.0.130.0000.00613.37
8.0.120.0050.00316.93
8.0.110.0070.00016.97
8.0.100.0070.00016.80
8.0.90.0000.00716.79
8.0.80.0090.01216.86
8.0.70.0050.00216.85
8.0.60.0000.00716.96
8.0.50.0000.00816.80
8.0.30.0120.00717.04
8.0.20.0120.00817.40
8.0.10.0070.00016.92
8.0.00.0110.00716.66
7.4.330.0050.00015.55
7.4.320.0070.00016.63
7.4.300.0070.00016.68
7.4.290.0000.00716.41
7.4.280.0070.00016.64
7.4.270.0090.00016.57
7.4.260.0050.00216.53
7.4.250.0040.00416.40
7.4.240.0070.00016.65
7.4.230.0040.00416.52
7.4.220.0120.00616.56
7.4.210.0070.00716.70
7.4.200.0020.00516.62
7.4.160.0100.00716.51
7.4.150.0070.01117.40
7.4.140.0090.01317.86
7.4.130.0100.01416.55
7.4.120.0070.01316.47
7.4.110.0180.00016.42
7.4.100.0090.00916.45
7.4.90.0090.00916.65
7.4.80.0130.00319.39
7.4.70.0140.00416.59
7.4.60.0100.01416.53
7.4.50.0090.00516.54
7.4.40.0070.01116.38
7.4.30.0110.00816.53
7.4.00.0070.00814.86
7.3.330.0000.00513.18
7.3.320.0020.00213.14
7.3.310.0000.00716.21
7.3.300.0070.00016.09
7.3.290.0040.00416.32
7.3.280.0070.01016.27
7.3.270.0100.01417.40
7.3.260.0130.00616.60
7.3.240.0110.00616.40
7.3.230.0140.00316.40
7.3.210.0130.00316.37
7.3.200.0100.00916.62
7.3.190.0120.00916.40
7.3.180.0100.00516.66
7.3.170.0100.00716.58
7.3.160.0140.00316.27
7.3.120.0070.01314.85
7.3.110.0030.01515.13
7.3.100.0060.01214.78
7.3.90.0060.00914.88
7.3.80.0120.00314.71
7.3.70.0100.00314.89
7.3.60.0100.00014.95
7.3.50.0070.00314.71
7.3.40.0070.00714.68
7.3.30.0030.00714.93
7.3.20.0070.00316.79
7.3.10.0070.00616.62
7.3.00.0090.00416.55
7.2.330.0120.00916.54
7.2.320.0120.00416.51
7.2.310.0150.00616.63
7.2.300.0100.01316.57
7.2.290.0100.00716.85
7.2.250.0090.00915.28
7.2.240.0070.01115.28
7.2.230.0040.01515.06
7.2.220.0070.00715.18
7.2.210.0000.01215.25
7.2.200.0040.01114.89
7.2.190.0030.00914.91
7.2.180.0060.00915.21
7.2.170.0050.00514.89
7.2.160.0060.00614.82
7.2.150.0040.00817.02
7.2.140.0000.01616.66
7.2.130.0090.00516.91
7.2.120.0060.00716.77
7.2.110.0090.00616.87
7.2.100.0100.00616.84
7.2.90.0090.00616.85
7.2.80.0090.00916.89
7.2.70.0060.01017.01
7.2.60.0070.01016.96
7.2.50.0070.00716.79
7.2.40.0080.00916.91
7.2.30.0120.00516.99
7.2.20.0090.00616.86
7.2.10.0070.00816.84
7.2.00.0090.00517.43
7.1.330.0130.00315.88
7.1.320.0060.00915.91
7.1.310.0070.00415.83
7.1.300.0080.00415.80
7.1.290.0030.01015.81
7.1.280.0030.01415.84
7.1.270.0060.00915.48
7.1.260.0000.01315.39
7.1.250.0070.00715.61
7.1.240.0040.00415.82
7.1.230.0030.00615.61
7.1.220.0060.01216.03
7.1.210.0070.01015.73
7.1.200.0060.00715.74
7.1.190.0060.00915.57
7.1.180.0070.00715.87
7.1.170.0080.00415.80
7.1.160.0080.00415.73
7.1.150.0040.00815.77
7.1.140.0030.00915.78
7.1.130.0000.01415.57
7.1.120.0070.00715.76
7.1.110.0080.00015.86
7.1.100.0060.00615.80
7.1.90.0100.00615.92
7.1.80.0040.01115.90
7.1.70.0030.00716.26
7.1.60.0040.00816.49
7.1.50.1210.00824.09
7.1.40.0790.00624.25
7.1.30.1170.00824.18
7.1.20.0780.01624.03
7.1.10.1360.01815.16
7.1.00.1350.01015.30
7.0.330.0030.01115.36
7.0.320.0070.00715.28
7.0.310.0060.00615.32
7.0.300.0030.00615.54
7.0.290.0000.01215.30
7.0.280.0060.00315.45
7.0.270.0060.00615.20
7.0.260.0060.00915.34
7.0.250.0060.00615.42
7.0.240.0030.00915.45
7.0.230.0030.00915.41
7.0.220.0030.00615.17
7.0.210.0000.01715.48
7.0.200.0080.00616.21
7.0.190.1020.00815.14
7.0.180.0820.00814.85
7.0.170.1380.00614.81
7.0.160.1100.01014.92
7.0.150.1480.01214.90
7.0.140.0880.01014.95
7.0.130.1450.01115.04
7.0.120.1030.01314.77
7.0.110.0790.01114.86
7.0.100.0780.00814.79
7.0.90.0930.00914.86
7.0.80.1770.01314.99
7.0.70.1650.00815.03
7.0.60.1920.00814.73
7.0.50.0850.00614.78
7.0.40.1100.01014.14
7.0.30.0810.01313.96
7.0.20.0320.01514.04
7.0.10.1060.00814.02
7.0.00.1390.00813.89
5.6.400.0090.00314.25
5.6.390.0030.00614.29
5.6.380.0070.00414.42
5.6.370.0070.00714.49
5.6.360.0070.00714.38
5.6.350.0030.01014.63
5.6.340.0030.00614.16
5.6.330.0000.01214.68
5.6.320.0090.00614.04
5.6.310.0100.00314.39
5.6.300.0000.01314.39
5.6.290.0060.00914.59
5.6.280.0070.01114.55
5.6.270.0090.00614.68
5.6.260.0060.00914.48
5.6.250.0080.00314.38
5.6.240.0100.00614.68
5.6.230.0000.01114.25
5.6.220.0030.01014.33
5.6.210.0030.01014.21
5.6.200.0030.00914.49
5.6.190.0090.00014.22
5.6.180.0030.00914.24
5.6.170.0070.00714.45
5.6.160.0000.01514.46
5.6.150.0060.00914.25
5.6.140.0060.00914.30
5.6.130.0130.00614.60
5.6.120.0070.01014.20
5.6.110.0120.00414.05
5.6.100.0050.00514.33
5.6.90.0000.01414.57
5.6.80.0000.01114.43
5.6.70.0060.00914.43
5.6.60.0070.00714.05
5.6.50.0040.00714.07
5.6.40.0120.00314.41
5.6.30.0030.00914.47
5.6.20.0050.00514.08
5.6.10.0030.00614.30
5.6.00.0070.00714.42

preferences:
33.65 ms | 401 KiB | 5 Q