3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['x', 'y', 'z']; foreach($array as $element) { $array[2] = 'a'; print $element; } var_dump($array);

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)
8.3.60.0120.00318.55
8.3.50.0070.00717.97
8.3.40.0090.00618.87
8.3.30.0000.01418.70
8.3.20.0040.00419.29
8.3.10.0070.00021.95
8.3.00.0060.00320.57
8.2.180.0100.01016.75
8.2.170.0070.00722.96
8.2.160.0090.00621.95
8.2.150.0030.00325.66
8.2.140.0000.00724.66
8.2.130.0090.00018.16
8.2.120.0040.00426.35
8.2.110.0070.00319.05
8.2.100.0090.00317.72
8.2.90.0040.00419.45
8.2.80.0000.00817.97
8.2.70.0040.00418.16
8.2.60.0000.00818.22
8.2.50.0000.00918.10
8.2.40.0030.00719.30
8.2.30.0040.00419.35
8.2.20.0000.00718.16
8.2.10.0000.00818.24
8.2.00.0000.00817.61
8.1.280.0100.00725.92
8.1.270.0080.00019.05
8.1.260.0080.00026.35
8.1.250.0030.00828.09
8.1.240.0000.01223.72
8.1.230.0110.00021.04
8.1.220.0040.00417.74
8.1.210.0060.00318.88
8.1.200.0040.00417.35
8.1.190.0030.00617.11
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0040.00418.86
8.1.150.0000.00718.89
8.1.140.0070.00022.20
8.1.130.0000.00720.19
8.1.120.0040.00417.48
8.1.110.0040.00417.44
8.1.100.0040.00417.44
8.1.90.0040.00417.45
8.1.80.0070.00017.37
8.1.70.0070.00017.44
8.1.60.0090.00017.46
8.1.50.0000.00717.55
8.1.40.0060.00317.47
8.1.30.0030.00617.68
8.1.20.0000.00717.47
8.1.10.0000.00717.47
8.1.00.0000.00717.48
8.0.300.0000.00719.98
8.0.290.0000.00716.75
8.0.280.0000.00718.36
8.0.270.0080.00017.22
8.0.260.0030.00318.32
8.0.250.0000.00716.98
8.0.240.0030.00316.93
8.0.230.0000.00717.01
8.0.220.0040.00416.82
8.0.210.0070.00016.79
8.0.200.0040.00416.88
8.0.190.0000.00816.96
8.0.180.0000.00916.89
8.0.170.0080.00016.75
8.0.160.0030.00316.79
8.0.150.0030.00516.84
8.0.140.0000.00816.77
8.0.130.0030.00313.20
8.0.120.0050.00316.89
8.0.110.0000.00716.82
8.0.100.0000.00716.80
8.0.90.0070.00016.77
8.0.80.0040.01416.91
8.0.70.0000.00816.95
8.0.60.0080.00016.86
8.0.50.0040.00316.72
8.0.30.0080.00817.30
8.0.20.0110.00717.40
8.0.10.0070.00017.03
8.0.00.0060.01216.75
7.4.330.0000.00515.55
7.4.320.0040.00416.61
7.4.300.0070.00016.64
7.4.290.0030.00316.60
7.4.280.0000.00716.50
7.4.270.0050.00216.52
7.4.260.0030.00716.62
7.4.250.0030.00516.57
7.4.240.0020.00516.51
7.4.230.0030.00316.50
7.4.220.0050.00316.34
7.4.210.0080.00816.55
7.4.200.0070.00016.71
7.4.160.0110.00716.58
7.4.140.0130.00717.86
7.4.130.0120.00916.57
7.4.120.0090.01216.53
7.4.110.0120.00816.49
7.4.100.0040.01516.51
7.4.90.0120.00616.57
7.4.80.0110.01119.39
7.4.70.0030.01416.51
7.4.60.0090.00916.56
7.4.50.0070.01016.50
7.4.40.0130.00716.69
7.4.10.0030.01514.89
7.4.00.0000.01714.96
7.3.330.0000.00613.08
7.3.320.0030.00313.07
7.3.310.0030.00516.19
7.3.300.0000.00616.18
7.3.290.0030.00316.40
7.3.280.0080.00816.28
7.3.260.0110.00816.53
7.3.240.0110.00716.34
7.3.230.0070.01016.30
7.3.210.0130.01016.38
7.3.200.0030.01416.49
7.3.190.0110.00716.19
7.3.180.0090.01716.26
7.3.170.0090.00916.64
7.3.160.0090.00916.57
7.3.130.0100.01014.93
7.3.120.0030.01515.02
7.3.110.0130.00314.95
7.3.100.0040.01415.05
7.3.90.0000.01315.06
7.3.80.0060.00614.77
7.3.70.0070.00714.55
7.3.60.0040.01214.63
7.3.50.0050.00514.70
7.3.40.0070.00714.93
7.3.30.0080.00414.77
7.3.20.0030.01116.44
7.3.10.0070.00716.40
7.3.00.0090.00316.73
7.2.330.0140.00416.62
7.2.320.0120.00816.71
7.2.310.0130.00316.51
7.2.300.0080.00816.36
7.2.290.0140.00416.75
7.2.260.0100.01015.19
7.2.250.0070.01314.95
7.2.240.0090.00615.19
7.2.230.0070.01114.95
7.2.220.0040.01014.87
7.2.210.0100.00314.98
7.2.200.0030.01214.94
7.2.190.0000.00915.00
7.2.180.0060.00615.02
7.2.170.0050.00514.98
7.2.160.0060.00615.09
7.2.150.0070.00716.77
7.2.140.0140.00316.98
7.2.130.0060.00616.70
7.2.120.0120.00016.88
7.2.110.0090.00316.93
7.2.100.0080.00416.88
7.2.90.0090.00616.94
7.2.80.0070.00716.94
7.2.70.0030.01316.91
7.2.60.0070.01016.96
7.2.50.0110.00416.72
7.2.40.0070.00717.04
7.2.30.0140.00616.93
7.2.20.0060.00616.89
7.2.10.0000.01516.68
7.2.00.0000.01516.86
7.1.330.0080.00415.55
7.1.320.0030.01015.82
7.1.310.0060.00915.71
7.1.300.0060.01015.59
7.1.290.0060.00615.79
7.1.280.0000.01215.97
7.1.270.0060.00615.82
7.1.260.0000.01415.68
7.1.250.0110.00316.01
7.1.240.0040.00715.82
7.1.230.0110.00415.74
7.1.220.0070.00715.88
7.1.210.0060.00915.83
7.1.200.0060.00615.86
7.1.190.0040.00415.92
7.1.180.0030.00715.64
7.1.170.0030.00615.95
7.1.160.0000.01115.95
7.1.150.0030.01315.97
7.1.140.0070.00715.98
7.1.130.0080.00415.88
7.1.120.0070.00615.93
7.1.110.0070.00315.86
7.1.100.0070.00715.49
7.1.90.0100.00715.79
7.1.80.0030.01415.88
7.1.70.0030.00915.62
7.1.60.0030.00615.65
7.1.50.0000.01515.93
7.1.40.0060.01015.60
7.1.30.0030.01015.76
7.1.20.0030.00915.93
7.1.10.0110.00415.86
7.1.00.0120.00015.75
7.0.330.0100.00315.61
7.0.320.0090.00615.43
7.0.310.0030.00715.57
7.0.300.0000.00815.40
7.0.290.0130.00015.10
7.0.280.0090.00315.18
7.0.270.0030.01015.38
7.0.260.0030.00715.41
7.0.250.0000.01415.54
7.0.240.0030.01015.31
7.0.230.0030.00615.46
7.0.220.0000.01515.52
7.0.210.0040.00815.46
7.0.200.0040.00415.54
7.0.190.0070.00715.36
7.0.180.0000.00815.33
7.0.170.0030.01015.21
7.0.160.0080.00015.44
7.0.150.0070.00415.46
7.0.140.0080.00415.24
7.0.130.0000.01715.49
7.0.120.0040.01115.51
7.0.110.0060.00615.20
7.0.100.0040.00715.55
7.0.90.0070.00715.22
7.0.80.0120.00315.54
7.0.70.0040.00715.61
7.0.60.0000.00915.64
7.0.50.0040.00915.23
7.0.40.0030.00913.52
7.0.30.0100.00313.58
7.0.20.0000.01113.46
7.0.10.0000.01113.30
7.0.00.0060.00913.52
5.6.400.0040.00814.68
5.6.390.0030.00914.61
5.6.380.0030.01314.32
5.6.370.0070.00714.19
5.6.360.0080.00314.20
5.6.350.0060.00914.38
5.6.340.0070.01114.15
5.6.330.0040.01114.53
5.6.320.0080.00614.33
5.6.310.0130.00014.18
5.6.300.0090.00314.42
5.6.290.0050.01014.43
5.6.280.0070.00714.28
5.6.270.0060.00314.71
5.6.260.0030.01214.50
5.6.250.0110.00314.72
5.6.240.0110.00414.58
5.6.230.0060.00914.43
5.6.220.0000.00814.32
5.6.210.0060.00314.47
5.6.200.0070.00714.69
5.6.190.0120.00314.48
5.6.180.0060.00914.18
5.6.170.0040.00714.13
5.6.160.0030.00914.62
5.6.150.0000.01514.65
5.6.140.0000.01014.43
5.6.130.0130.00014.37
5.6.120.0070.00714.36
5.6.110.0070.00714.42
5.6.100.0040.00814.63
5.6.90.0040.00414.45
5.6.80.0000.01214.50
5.6.70.0090.00014.41
5.6.60.0100.00314.15
5.6.50.0080.00414.44
5.6.40.0070.00714.31
5.6.30.0030.01014.55
5.6.20.0060.00614.27
5.6.10.0060.00614.30
5.6.00.0050.00314.11

preferences:
57.13 ms | 401 KiB | 5 Q