3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array(); echo array_keys($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)
8.3.60.0130.00618.30
8.3.50.0070.00716.50
8.3.40.0110.01118.54
8.3.30.0080.00818.67
8.3.20.0050.00220.04
8.3.10.0080.00023.46
8.3.00.0050.00319.56
8.2.180.0130.00718.41
8.2.170.0170.00722.96
8.2.160.0070.00719.04
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0090.00021.00
8.2.120.0040.00426.35
8.2.110.0120.00020.47
8.2.100.0040.00717.84
8.2.90.0060.00317.84
8.2.80.0030.00517.97
8.2.70.0050.00317.92
8.2.60.0000.00718.22
8.2.50.0040.00418.10
8.2.40.0030.00520.42
8.2.30.0040.00420.94
8.2.20.0020.00518.09
8.2.10.0040.00417.94
8.2.00.0000.00717.91
8.1.280.0100.01025.92
8.1.270.0000.00823.91
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00023.75
8.1.230.0040.00821.04
8.1.220.0040.00420.91
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0070.00018.77
8.1.160.0070.00019.04
8.1.150.0040.00420.61
8.1.140.0000.00719.38
8.1.130.0030.00518.81
8.1.120.0000.00717.32
8.1.110.0080.00017.34
8.1.100.0070.00017.37
8.1.90.0040.00417.29
8.1.80.0030.00317.29
8.1.70.0070.00017.46
8.1.60.0040.00417.39
8.1.50.0000.00917.43
8.1.40.0060.00317.31
8.1.30.0020.00517.58
8.1.20.0050.00317.55
8.1.10.0000.00717.44
8.1.00.0040.00417.52
8.0.300.0040.00421.74
8.0.290.0040.00416.88
8.0.280.0030.00318.34
8.0.270.0070.00017.25
8.0.260.0030.00316.91
8.0.250.0040.00417.00
8.0.240.0000.00716.98
8.0.230.0000.00916.85
8.0.220.0070.00316.92
8.0.210.0040.00316.86
8.0.200.0000.00716.95
8.0.190.0090.00016.83
8.0.180.0000.00716.86
8.0.170.0070.00416.77
8.0.160.0070.00016.88
8.0.150.0000.00716.92
8.0.140.0000.00716.88
8.0.130.0060.00013.27
8.0.120.0040.00416.86
8.0.110.0070.00016.69
8.0.100.0050.00516.84
8.0.90.0040.00416.82
8.0.80.0070.01016.84
8.0.70.0040.00416.97
8.0.60.0040.00416.71
8.0.50.0040.00416.86
8.0.30.0090.00817.09
8.0.20.0100.01017.40
8.0.10.0040.00416.88
8.0.00.0110.00616.55
7.4.330.0020.00215.55
7.4.320.0060.00016.39
7.4.300.0030.00316.56
7.4.290.0030.00316.47
7.4.280.0030.00516.53
7.4.270.0030.00516.43
7.4.260.0040.00416.36
7.4.250.0030.00316.43
7.4.240.0050.00316.45
7.4.230.0000.00716.43
7.4.220.0100.00716.60
7.4.210.0060.00916.56
7.4.200.0000.00716.23
7.4.160.0080.01116.44
7.4.150.0120.00617.40
7.4.140.0090.01017.86
7.4.130.0110.01216.36
7.4.120.0090.01016.49
7.4.110.0080.01216.49
7.4.100.0130.01016.44
7.4.90.0170.00016.50
7.4.80.0070.01019.39
7.4.70.0090.00616.32
7.4.60.0100.00716.38
7.4.50.0000.01516.18
7.4.40.0150.00616.45
7.4.30.0030.01416.43
7.4.00.0040.01114.96
7.3.330.0030.00312.98
7.3.320.0030.00313.02
7.3.310.0000.00716.25
7.3.300.0060.00016.21
7.3.290.0060.00816.17
7.3.280.0050.01116.14
7.3.270.0150.00917.40
7.3.260.0100.00716.29
7.3.250.0110.00816.28
7.3.240.0110.01016.31
7.3.230.0130.00316.57
7.3.210.0060.01316.27
7.3.200.0140.00316.21
7.3.190.0130.00516.29
7.3.180.0060.00916.36
7.3.170.0060.01016.27
7.3.160.0060.00916.32
7.3.120.0070.00714.51
7.3.110.0060.00314.81
7.3.100.0050.00314.54
7.3.90.0120.00314.54
7.3.80.0030.00614.84
7.3.70.0090.00614.71
7.3.60.0030.00614.78
7.3.50.0070.00714.79
7.3.40.0030.00914.43
7.3.30.0050.00514.55
7.3.20.0030.01316.64
7.3.10.0090.00616.44
7.3.00.0040.01116.68
7.2.330.0120.00616.25
7.2.320.0060.00916.51
7.2.310.0090.00616.42
7.2.300.0030.01416.55
7.2.290.0100.01016.42
7.2.240.0070.00314.88
7.2.230.0000.01714.86
7.2.220.0110.00414.95
7.2.210.0000.00914.77
7.2.200.0070.00714.93
7.2.190.0080.00614.98
7.2.180.0030.00915.00
7.2.170.0060.01015.02
7.2.160.0070.01014.62
7.2.150.0030.00916.71
7.2.140.0030.00916.87
7.2.130.0100.00316.77
7.2.120.0000.01616.79
7.2.110.0040.01116.76
7.2.100.0060.01016.88
7.2.90.0060.00916.83
7.2.80.0060.00616.82
7.2.70.0060.00616.84
7.2.60.0030.01016.75
7.2.50.0090.00616.79
7.2.40.0100.00616.81
7.2.30.0060.00616.73
7.2.20.0090.00616.81
7.2.10.0070.00716.78
7.2.00.0030.01218.15
7.1.330.0000.01015.80
7.1.320.0000.00815.82
7.1.310.0040.01115.81
7.1.300.0000.01215.77
7.1.290.0070.00715.92
7.1.280.0080.00815.82
7.1.270.0070.00715.45
7.1.260.0090.00615.52
7.1.250.0030.01315.63
7.1.200.0060.00615.66
7.1.100.0030.00617.85
7.1.70.0030.01617.21
7.1.60.0310.00734.74
7.1.50.0350.01334.75
7.1.40.0240.01834.35
7.1.30.0300.01334.42
7.1.20.0220.01634.50
7.1.10.0100.00716.42
7.1.00.0070.01416.48
7.0.200.0120.01016.64
7.0.190.0130.01216.77
7.0.180.0060.01416.07
7.0.170.0080.01216.38
7.0.160.0140.00316.34
7.0.150.0070.01016.19
7.0.140.0070.01416.17
7.0.130.0070.01416.32
7.0.120.0130.00916.62
7.0.110.0100.01116.18
7.0.100.0100.01316.25
7.0.90.0100.01116.34
7.0.80.0000.02216.43
7.0.70.0060.01316.16
7.0.60.0030.01615.90
7.0.50.0080.01216.19
7.0.40.0070.01316.36
7.0.30.0070.01416.57
7.0.20.0090.01216.36
7.0.10.0040.01816.38
7.0.00.0130.00716.49

preferences:
27.85 ms | 400 KiB | 5 Q