3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array(); echo (string)array_keys($foo);

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)
8.3.40.0130.00718.71
8.3.30.0070.00718.64
8.3.20.0050.00220.34
8.3.10.0040.00423.53
8.3.00.0080.00019.56
8.2.170.0130.01322.96
8.2.160.0080.00619.08
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00319.17
8.2.120.0080.00026.35
8.2.110.0090.00022.25
8.2.100.0100.00317.97
8.2.90.0040.00418.97
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0080.00018.10
8.2.40.0080.00020.44
8.2.30.0000.00820.91
8.2.20.0080.00018.11
8.2.10.0000.00717.86
8.2.00.0040.00417.85
8.1.270.0000.00823.96
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00022.69
8.1.230.0040.00717.70
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0050.00317.10
8.1.180.0000.00918.10
8.1.170.0050.00318.43
8.1.160.0050.00219.00
8.1.150.0080.00020.54
8.1.140.0040.00419.39
8.1.130.0000.00718.80
8.1.120.0000.00717.37
8.1.110.0040.00417.21
8.1.100.0000.00717.41
8.1.90.0050.00217.50
8.1.80.0000.00817.37
8.1.70.0030.00317.47
8.1.60.0040.00417.46
8.1.50.0040.00417.52
8.1.40.0030.00617.40
8.1.30.0040.00417.53
8.1.20.0000.00817.64
8.1.10.0040.00417.43
8.1.00.0040.00417.42
8.0.300.0050.00318.77
8.0.290.0030.00616.75
8.0.280.0070.00018.37
8.0.270.0080.00017.23
8.0.260.0000.00616.77
8.0.250.0070.00017.01
8.0.240.0030.00317.00
8.0.230.0060.00316.84
8.0.220.0000.01016.84
8.0.210.0030.00316.84
8.0.200.0030.00316.91
8.0.190.0040.00416.83
8.0.180.0000.00716.79
8.0.170.0040.00716.97
8.0.160.0040.00316.78
8.0.150.0000.00716.87
8.0.140.0040.00416.82
8.0.130.0080.00013.39
8.0.120.0070.00016.82
8.0.110.0000.00716.76
8.0.100.0000.00716.93
8.0.90.0070.00016.86
8.0.80.0040.01116.91
8.0.70.0070.00016.67
8.0.60.0040.00416.96
8.0.50.0040.00416.91
8.0.30.0130.00716.98
8.0.20.0120.00817.40
8.0.10.0000.00717.08
8.0.00.0140.00716.68
7.4.330.0030.00315.55
7.4.320.0000.00616.40
7.4.300.0030.00316.62
7.4.290.0000.00716.61
7.4.280.0040.00416.63
7.4.270.0060.00316.57
7.4.260.0030.00616.54
7.4.250.0070.00016.55
7.4.240.0040.00416.63
7.4.230.0000.00716.58
7.4.220.0090.00916.56
7.4.210.0070.00716.57
7.4.200.0070.00016.56
7.4.160.0140.00616.76
7.4.150.0070.01017.40
7.4.140.0120.00717.86
7.4.130.0030.01516.54
7.4.120.0120.00916.54
7.4.110.0130.01016.36
7.4.100.0100.01316.57
7.4.90.0070.01016.43
7.4.80.0090.00619.39
7.4.70.0090.01116.50
7.4.60.0070.01016.52
7.4.50.0060.00716.64
7.4.40.0090.00616.38
7.4.30.0070.01016.50
7.4.10.0030.01615.03
7.4.00.0090.00815.08
7.3.330.0080.00013.00
7.3.320.0060.00012.99
7.3.310.0040.00416.19
7.3.300.0030.00316.30
7.3.290.0060.00916.24
7.3.280.0080.00816.24
7.3.270.0110.01117.40
7.3.260.0040.01316.51
7.3.250.0080.01116.35
7.3.240.0130.00516.38
7.3.230.0070.01016.36
7.3.210.0030.01316.49
7.3.200.0080.00816.34
7.3.190.0080.00816.31
7.3.180.0100.00616.57
7.3.170.0030.01316.24
7.3.160.0090.00616.53
7.3.130.0070.01014.85
7.3.120.0040.01414.88
7.3.110.0060.01314.78
7.3.100.0040.01114.83
7.3.90.0030.00614.98
7.3.80.0040.00414.82
7.3.70.0030.00914.79
7.3.60.0050.00514.85
7.3.50.0040.01114.60
7.3.40.0040.01114.57
7.3.30.0090.00614.78
7.3.20.0000.01316.55
7.3.10.0110.00316.64
7.3.00.0100.00716.55
7.2.330.0120.00616.66
7.2.320.0130.01016.32
7.2.310.0100.00716.30
7.2.300.0040.01116.66
7.2.290.0070.01116.34
7.2.260.0070.01114.97
7.2.250.0070.01315.07
7.2.240.0040.01114.90
7.2.230.0120.00614.89
7.2.220.0060.01314.82
7.2.210.0090.00914.82
7.2.200.0060.01014.75
7.2.190.0120.00615.04
7.2.180.0070.00415.00
7.2.170.0090.00614.91
7.2.160.0030.00614.78
7.2.150.0030.01016.89
7.2.140.0070.00316.88
7.2.130.0070.00716.59
7.2.120.0130.00316.57
7.2.110.0000.01316.91
7.2.100.0000.01516.94
7.2.90.0100.01016.51
7.2.80.0120.00316.84
7.2.70.0040.00816.79
7.2.60.0020.01116.81
7.2.50.0070.01116.66
7.2.40.0030.01416.53
7.2.30.0000.01716.98
7.2.20.0030.01216.77
7.2.10.0000.00916.56
7.2.00.0040.00718.01
7.1.330.0030.01315.89
7.1.320.0060.00615.84
7.1.310.0080.00815.43
7.1.300.0080.00615.50
7.1.290.0000.01615.79
7.1.280.0090.00615.54
7.1.270.0080.00815.55
7.1.260.0000.01215.62
7.1.250.0070.01015.69
7.1.240.0060.00615.50
7.1.230.0070.01015.59
7.1.220.0040.00715.86
7.1.210.0090.00015.46
7.1.200.0090.00515.61
7.1.190.0030.00715.78
7.1.180.0030.01215.76
7.1.170.0040.00815.52
7.1.160.0060.01015.48
7.1.150.0040.00815.64
7.1.140.0000.01315.79
7.1.130.0090.00315.62
7.1.120.0000.01215.57
7.1.110.0060.00615.54
7.1.100.0030.00916.89
7.1.90.0060.00615.67
7.1.80.0040.01115.84
7.1.70.0060.01216.34
7.1.60.0190.00825.41
7.1.50.0190.01325.11
7.1.40.0140.01224.91
7.1.30.0130.01324.99
7.1.20.0140.00825.00
7.1.10.0060.01016.12
7.1.00.0110.00616.29
7.0.330.0060.00315.51
7.0.320.0060.00615.50
7.0.310.0030.00615.27
7.0.300.0030.01315.12
7.0.290.0030.00915.26
7.0.280.0000.01515.44
7.0.270.0060.00615.15
7.0.260.0000.01515.47
7.0.250.0080.00415.34
7.0.240.0030.01315.36
7.0.230.0040.01215.39
7.0.220.0070.01015.40
7.0.210.0000.01515.49
7.0.200.0090.00715.82
7.0.190.0090.00815.86
7.0.180.0060.00815.88
7.0.170.0070.00815.82
7.0.160.0070.00915.89
7.0.150.0080.00715.84
7.0.140.0030.01215.82
7.0.130.0060.01016.00
7.0.120.0060.00915.93
7.0.110.0060.01115.82
7.0.100.0030.01215.92
7.0.90.0030.01315.78
7.0.80.0070.00915.69
7.0.70.0030.01015.65
7.0.60.0040.01415.67
7.0.50.0100.00516.00
7.0.40.0080.00515.24
7.0.30.0070.00815.24
7.0.20.0060.00915.12
7.0.10.0080.00815.11
7.0.00.0040.01015.02
5.6.400.0070.00714.40
5.6.390.0090.00914.13
5.6.380.0060.01014.43
5.6.370.0030.00914.68
5.6.360.0100.00614.30
5.6.350.0070.01014.30
5.6.340.0040.00714.53
5.6.330.0070.01014.43
5.6.320.0050.00514.30
5.6.310.0060.00614.29
5.6.300.0080.00014.50
5.6.290.0030.01014.15
5.6.280.0000.01614.28
5.6.270.0030.00614.53
5.6.260.0080.00514.23
5.6.250.0000.00814.31
5.6.240.0040.01114.31
5.6.230.0000.00814.29
5.6.220.0090.00614.37
5.6.210.0100.00314.13
5.6.200.0100.00714.11
5.6.190.0100.00614.40
5.6.180.0030.00914.56
5.6.170.0030.00914.00
5.6.160.0110.00314.39
5.6.150.0000.01314.14
5.6.140.0090.00614.27
5.6.130.0060.01014.12
5.6.120.0090.00914.16
5.6.110.0110.00414.16
5.6.100.0100.00314.36
5.6.90.0090.00614.21
5.6.80.0070.01114.25
5.6.70.0000.01414.14
5.6.60.0070.00714.25
5.6.50.0100.00414.23
5.6.40.0070.01014.11
5.6.30.0090.00314.01
5.6.20.0110.00414.33
5.6.10.0080.00814.20
5.6.00.0100.00714.20

preferences:
43.34 ms | 400 KiB | 5 Q