3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = ['a','b','c']; $last = array_reverse($x)[0]; var_dump($last);

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)
8.3.70.0150.00416.29
8.3.60.0090.01218.43
8.3.50.0140.00418.20
8.3.40.0070.00718.63
8.3.30.0110.00418.71
8.3.20.0000.00818.63
8.3.10.0040.00421.95
8.3.00.0040.00421.85
8.2.180.0030.01218.04
8.2.170.0190.00022.96
8.2.160.0070.00718.91
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0050.00222.08
8.2.120.0050.00326.35
8.2.110.0040.00422.20
8.2.100.0100.00319.45
8.2.90.0040.00417.75
8.2.80.0000.00918.61
8.2.70.0040.00417.63
8.2.60.0000.00817.63
8.2.50.0000.00917.63
8.2.40.0050.00519.23
8.2.30.0000.00720.68
8.2.20.0000.00718.03
8.2.10.0040.00417.93
8.2.00.0090.00019.30
8.1.280.0180.00325.92
8.1.270.0040.00422.07
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00020.40
8.1.230.0110.00017.77
8.1.220.0040.00417.78
8.1.210.0030.00518.77
8.1.200.0050.00317.10
8.1.190.0060.00617.25
8.1.180.0030.00618.10
8.1.170.0100.00017.62
8.1.160.0000.00718.78
8.1.150.0040.00418.77
8.1.140.0000.00718.69
8.1.130.0000.00720.04
8.1.120.0030.00317.31
8.1.110.0040.00417.27
8.1.100.0000.00717.40
8.1.90.0030.00617.27
8.1.80.0050.00317.37
8.1.70.0000.00717.38
8.1.60.0030.00517.51
8.1.50.0110.00017.42
8.1.40.0020.00517.41
8.1.30.0000.00717.50
8.1.20.0040.00417.41
8.1.10.0030.00617.54
8.1.00.0080.00017.33
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0040.00417.19
8.0.260.0030.00318.38
8.0.250.0030.00716.85
8.0.240.0040.00416.72
8.0.230.0030.00316.73
8.0.220.0030.00316.87
8.0.210.0040.00416.77
8.0.200.0050.00316.94
8.0.190.0030.00616.94
8.0.180.0040.00416.85
8.0.170.0080.00016.77
8.0.160.0080.00016.78
8.0.150.0000.00716.73
8.0.140.0000.00816.66
8.0.130.0030.00313.25
8.0.120.0000.00816.70
8.0.110.0040.00416.66
8.0.100.0040.00416.77
8.0.90.0040.00416.88
8.0.80.0100.00916.76
8.0.70.0000.00716.64
8.0.60.0000.00716.88
8.0.50.0070.00016.88
8.0.30.0100.00916.98
8.0.20.0130.00617.40
8.0.10.0000.00816.81
8.0.00.0090.01216.68
7.4.330.0020.00215.55
7.4.320.0030.00316.49
7.4.300.0030.00316.33
7.4.290.0030.00316.51
7.4.280.0030.00616.52
7.4.270.0000.00716.43
7.4.260.0030.00316.41
7.4.250.0080.00016.40
7.4.240.0030.00316.54
7.4.230.0070.00016.23
7.4.220.0000.00716.51
7.4.210.0100.00916.51
7.4.200.0000.00716.61
7.4.160.0100.00616.42
7.4.140.0140.00717.86
7.4.130.0040.01516.50
7.4.120.0090.00916.41
7.4.110.0160.00616.55
7.4.100.0130.00416.22
7.4.90.0160.00716.35
7.4.80.0080.01219.39
7.4.70.0070.01016.38
7.4.60.0090.00616.57
7.4.50.0070.01016.32
7.4.40.0080.01116.38
7.4.00.0070.00514.85
7.3.330.0050.00013.18
7.3.320.0060.00012.98
7.3.310.0000.00916.08
7.3.300.0070.00016.09
7.3.290.0040.00416.21
7.3.280.0090.00916.19
7.3.260.0120.00916.37
7.3.240.0090.00916.33
7.3.230.0090.00916.50
7.3.210.0040.01416.38
7.3.200.0170.00016.41
7.3.190.0210.00316.54
7.3.180.0080.01516.36
7.3.170.0100.01316.43
7.3.160.0100.01716.46
7.3.120.0140.00414.72
7.3.110.0070.01114.50
7.3.100.0030.01014.58
7.3.90.0130.00314.80
7.3.80.0090.00614.92
7.3.70.0110.00414.77
7.3.60.0080.00814.66
7.3.50.0000.01714.78
7.3.40.0040.00414.68
7.3.30.0070.00414.79
7.3.20.0060.00616.66
7.3.10.0120.00316.55
7.3.00.0090.00616.49
7.2.330.0110.00816.54
7.2.320.0160.00016.23
7.2.310.0130.01016.64
7.2.300.0160.00316.67
7.2.290.0080.00916.73
7.2.250.0130.00614.93
7.2.240.0080.00314.84
7.2.230.0070.01014.91
7.2.220.0000.01114.69
7.2.210.0070.01015.09
7.2.200.0040.00715.10
7.2.190.0040.01114.86
7.2.180.0000.01715.00
7.2.170.0040.01514.91
7.2.100.0540.00914.86
7.2.90.0670.01014.57
7.2.80.0500.01014.67
7.2.70.0530.00714.39
7.2.60.0640.01114.41
7.2.50.0550.00314.12
7.2.40.0660.00615.00
7.2.30.0500.00314.73
7.2.20.0520.00615.03
7.2.10.0630.01315.01
7.2.00.0610.00714.77
7.1.330.0100.00315.87
7.1.320.0040.00815.70
7.1.310.0100.00715.66
7.1.300.0030.00915.79
7.1.290.0070.01015.52
7.1.280.0060.00815.99
7.1.270.0030.00715.68
7.1.260.0060.00715.57
7.1.210.0720.00713.81
7.1.200.0450.01013.88
7.1.190.0480.01513.82
7.1.180.0520.01513.47
7.1.170.0500.00013.45
7.1.160.0470.01213.73
7.1.150.0420.00713.63
7.1.140.0420.01113.70
7.1.130.0380.01713.75
7.1.120.0580.00913.70
7.1.110.0540.00013.86
7.1.100.0470.01213.88
7.1.90.0890.00713.69
7.1.80.0660.01213.69
7.1.70.0810.00313.95
7.1.60.1000.01031.68
7.1.50.0690.00931.84
7.1.40.0660.01031.75
7.1.30.0990.00731.87
7.1.20.0900.01031.36
7.1.10.0580.00414.00
7.1.00.0740.00013.77
5.6.400.0070.00315.79

preferences:
65.65 ms | 400 KiB | 5 Q