3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo array_keys(['a' => 1]);

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)
8.3.60.0040.01218.43
8.3.50.0140.00016.09
8.3.40.0070.00718.83
8.3.30.0060.00618.71
8.3.20.0070.00020.31
8.3.10.0040.00423.61
8.3.00.0080.00019.79
8.2.180.0140.00716.32
8.2.170.0060.01222.96
8.2.160.0140.00018.92
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00419.33
8.2.120.0040.00426.35
8.2.110.0040.00419.27
8.2.100.0090.00618.09
8.2.90.0040.00418.03
8.2.80.0000.00917.97
8.2.70.0050.00317.93
8.2.60.0000.00717.91
8.2.50.0060.00318.10
8.2.40.0000.00820.39
8.2.30.0030.00520.95
8.2.20.0000.00718.04
8.2.10.0050.00217.80
8.2.00.0020.00517.96
8.1.280.0070.00725.92
8.1.270.0070.00022.05
8.1.260.0070.00026.35
8.1.250.0030.00628.09
8.1.240.0090.00020.89
8.1.230.0030.01020.97
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0090.00916.86
8.1.190.0060.00316.88
8.1.180.0030.00618.10
8.1.170.0040.00418.51
8.1.160.0030.00318.82
8.1.150.0040.00420.59
8.1.140.0060.00319.44
8.1.130.0000.00718.71
8.1.120.0000.00717.30
8.1.110.0050.00317.24
8.1.100.0040.00417.26
8.1.90.0040.00417.33
8.1.80.0030.00517.22
8.1.70.0090.00317.21
8.1.60.0070.00017.37
8.1.50.0040.00417.28
8.1.40.0060.00617.37
8.1.30.0080.00017.49
8.1.20.0000.00717.43
8.1.10.0030.00617.30
8.1.00.0030.00617.26
8.0.300.0000.00719.77
8.0.290.0000.00916.63
8.0.280.0080.00018.41
8.0.270.0040.00417.17
8.0.260.0060.00316.70
8.0.250.0060.00016.90
8.0.240.0030.00316.96
8.0.230.0000.00816.89
8.0.220.0030.00316.70
8.0.210.0000.00716.79
8.0.200.0030.00316.86
8.0.190.0090.00016.74
8.0.180.0000.00716.75
8.0.170.0030.00616.85
8.0.160.0030.00516.85
8.0.150.0030.00316.77
8.0.140.0060.00316.68
8.0.130.0050.00013.33
8.0.120.0040.00416.63
8.0.110.0070.00016.68
8.0.100.0040.00316.88
8.0.90.0080.00016.80
8.0.80.0070.01016.86
8.0.70.0000.00716.61
8.0.60.0040.00416.77
8.0.50.0040.00416.79
8.0.30.0090.00916.80
8.0.20.0130.00617.40
8.0.10.0000.00817.00
8.0.00.0070.01016.69
7.4.330.0000.00615.55
7.4.320.0030.00316.52
7.4.300.0030.00316.44
7.4.290.0030.00616.50
7.4.280.0000.00816.36
7.4.270.0000.00716.43
7.4.260.0000.00816.46
7.4.250.0050.00316.44
7.4.240.0000.00816.48
7.4.230.0030.00316.38
7.4.220.0050.01416.31
7.4.210.0090.00616.46
7.4.200.0070.00016.46
7.4.160.0070.01216.29
7.4.150.0090.00917.40
7.4.140.0100.01017.86
7.4.130.0140.00716.42
7.4.120.0150.00616.33
7.4.110.0100.00716.52
7.4.100.0060.01416.41
7.4.90.0100.00716.30
7.4.80.0100.00719.39
7.4.70.0060.01516.47
7.4.60.0060.00916.55
7.4.50.0060.01016.33
7.4.40.0080.00816.58
7.4.30.0090.00616.26
7.4.00.0070.01015.07
7.3.330.0030.00313.12
7.3.320.0000.00513.12
7.3.310.0070.00016.12
7.3.300.0030.00316.07
7.3.290.0060.01216.20
7.3.280.0080.00816.17
7.3.270.0200.00017.40
7.3.260.0080.00916.36
7.3.250.0110.00616.37
7.3.240.0130.00716.39
7.3.230.0060.01216.56
7.3.210.0080.00816.46
7.3.200.0120.00916.40
7.3.190.0120.00516.21
7.3.180.0100.00716.36
7.3.170.0080.00816.22
7.3.160.0060.00916.33
7.3.120.0040.01014.51
7.3.110.0000.01414.84
7.3.100.0060.00614.92
7.3.90.0060.00614.81
7.3.80.0000.01314.70
7.3.70.0110.00314.77
7.3.60.0060.00614.75
7.3.50.0040.00814.41
7.3.40.0070.00714.83
7.3.30.0030.00614.77
7.3.20.0030.00616.42
7.3.10.0050.00816.41
7.3.00.0020.01416.48
7.2.330.0150.00916.30
7.2.320.0080.00816.63
7.2.310.0130.00316.44
7.2.300.0060.01016.41
7.2.290.0100.01316.54
7.2.240.0030.00914.77
7.2.230.0110.00314.83
7.2.220.0070.00714.57
7.2.210.0090.00614.54
7.2.200.0070.00715.04
7.2.190.0040.01114.95
7.2.180.0040.01115.05
7.2.170.0060.00614.55
7.2.160.0030.00914.73
7.2.150.0060.00316.94
7.2.140.0100.00316.97
7.2.130.0050.00716.92
7.2.120.0030.01016.58
7.2.110.0070.00716.87
7.2.100.0070.00716.74
7.2.90.0050.00716.62
7.2.80.0050.00716.77
7.2.70.0030.00916.86
7.2.60.0090.00516.69
7.2.50.0010.01116.81
7.2.40.0070.00616.90
7.2.30.0090.00516.94
7.2.20.0070.00616.69
7.2.10.0060.00516.75
7.2.00.0090.00516.89
7.1.330.0030.01015.66
7.1.320.0070.00715.41
7.1.310.0110.00015.54
7.1.300.0060.00615.34
7.1.290.0100.00315.61
7.1.280.0000.01015.83
7.1.270.0030.01415.64
7.1.260.0060.00315.64
7.1.250.0050.00815.64
7.1.200.0120.00015.52
7.1.100.0000.00917.95
7.1.70.0780.00916.97
7.1.60.0670.02232.90
7.1.50.0660.01732.94
7.1.40.0460.01834.24
7.1.30.0280.02234.39
7.1.20.0740.01534.41
7.1.10.0450.01214.54
7.1.00.0490.01214.64
7.0.200.0530.01314.80
7.0.190.0490.01414.75
7.0.180.0030.01616.00
7.0.170.0450.01714.24
7.0.160.0120.00815.97
7.0.150.0440.01015.87
7.0.140.0090.00916.13
7.0.130.0410.00814.59
7.0.120.0280.01014.59
7.0.110.0130.00416.07
7.0.100.0390.01314.26
7.0.90.0440.01614.21
7.0.80.0600.01614.28
7.0.70.0100.01416.09
7.0.60.0450.01314.20
7.0.50.0120.01516.14
7.0.40.0440.01314.50
7.0.30.0110.00616.46
7.0.20.0070.01016.50
7.0.10.0130.01016.23
7.0.00.0440.01616.15

preferences:
33.18 ms | 400 KiB | 5 Q