3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ''; $arr[0] = 'test'; echo $arr[0];

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)
8.3.60.0040.01118.28
8.3.50.0030.01016.49
8.3.40.0110.00319.06
8.3.30.0100.00318.69
8.3.20.0080.00020.22
8.3.10.0000.00822.11
8.3.00.0000.00819.69
8.2.180.0060.01218.38
8.2.170.0070.00722.96
8.2.160.0070.01119.14
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00420.52
8.2.120.0040.00426.35
8.2.110.0030.00622.08
8.2.100.0090.00318.04
8.2.90.0040.00418.22
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0050.00317.93
8.2.50.0000.00818.10
8.2.40.0070.00020.46
8.2.30.0000.00819.31
8.2.20.0040.00418.11
8.2.10.0000.00818.03
8.2.00.0040.00418.03
8.1.280.0100.00725.92
8.1.270.0070.00022.12
8.1.260.0000.00726.35
8.1.250.0100.00728.09
8.1.240.0080.00022.25
8.1.230.0080.00420.97
8.1.220.0000.00917.74
8.1.210.0050.00518.77
8.1.200.0060.00317.25
8.1.190.0030.00517.35
8.1.180.0060.00318.10
8.1.170.0000.00818.62
8.1.160.0000.00719.00
8.1.150.0000.00718.75
8.1.140.0040.00419.57
8.1.130.0000.00718.87
8.1.120.0030.00617.32
8.1.110.0000.00817.41
8.1.100.0030.00617.45
8.1.90.0000.00817.50
8.1.80.0030.00317.54
8.1.70.0000.00717.45
8.1.60.0000.00817.60
8.1.50.0070.00017.52
8.1.40.0050.00217.52
8.1.30.0040.00417.66
8.1.20.0040.00417.61
8.1.10.0000.00717.63
8.1.00.0040.00417.51
8.0.300.0040.00420.14
8.0.290.0050.00316.88
8.0.280.0000.00718.48
8.0.270.0030.00617.15
8.0.260.0030.00318.78
8.0.250.0000.00717.03
8.0.240.0000.00817.04
8.0.230.0030.00316.90
8.0.220.0030.00516.96
8.0.210.0030.00316.83
8.0.200.0070.00016.88
8.0.190.0000.00916.98
8.0.180.0030.00616.99
8.0.170.0000.00716.95
8.0.160.0080.00016.91
8.0.150.0000.00716.93
8.0.140.0040.00416.83
8.0.130.0000.00613.36
8.0.120.0050.00316.96
8.0.110.0030.00516.93
8.0.100.0000.00716.89
8.0.90.0000.00716.82
8.0.80.0090.00616.84
8.0.70.0000.00716.89
8.0.60.0040.00417.01
8.0.50.0050.00316.95
8.0.30.0110.00717.00
8.0.20.0100.00917.40
8.0.10.0040.00416.93
8.0.00.0120.01216.80
7.4.330.0040.00015.55
7.4.320.0030.00316.52
7.4.300.0000.00616.59
7.4.290.0070.00016.52
7.4.280.0040.00416.63
7.4.270.0070.00016.40
7.4.260.0000.01016.57
7.4.250.0000.00816.36
7.4.240.0030.00316.60
7.4.230.0070.00016.58
7.4.220.0140.00416.62
7.4.210.0120.00316.44
7.4.200.0030.00316.33
7.4.160.0090.00916.56
7.4.150.0070.01017.40
7.4.140.0090.00817.86
7.4.130.0040.01316.57
7.4.120.0080.01016.53
7.4.110.0030.01316.43
7.4.100.0120.00616.54
7.4.90.0240.00416.46
7.4.80.0090.01219.39
7.4.70.0090.00916.44
7.4.60.0120.00416.35
7.4.50.0100.00316.29
7.4.40.0100.00616.56
7.4.30.0200.00016.59
7.4.00.0030.01314.74
7.3.330.0030.00513.15
7.3.320.0000.00513.09
7.3.310.0000.00716.19
7.3.300.0000.00716.27
7.3.290.0060.01016.27
7.3.280.0070.01016.27
7.3.270.0180.00017.40
7.3.260.0090.00916.28
7.3.250.0170.01116.32
7.3.240.0090.01016.31
7.3.230.0130.00716.32
7.3.210.0180.00016.34
7.3.200.0120.00916.29
7.3.190.0060.01116.21
7.3.180.0130.00316.35
7.3.170.0100.00616.49
7.3.160.0100.00616.47
7.2.330.0190.00016.70
7.2.320.0100.00716.44
7.2.310.0100.00616.59
7.2.300.0070.01016.61
7.2.290.0050.01116.52
7.2.60.0090.00316.73
7.1.200.0030.01115.38
7.1.80.0790.01217.09
7.1.70.1110.01015.22
7.1.60.1940.01133.24
7.1.50.1690.01632.88
7.1.40.0800.01333.37
7.1.30.0910.01333.40
7.1.20.0920.01133.62
7.1.10.1660.01314.75
7.1.00.0820.00715.85
7.0.200.0680.00714.91
7.0.190.1620.00515.87
7.0.180.0630.01115.38
7.0.170.1800.00615.37
7.0.160.1590.00814.44
7.0.150.0990.00315.34
7.0.140.0850.00915.30
7.0.130.1770.01014.68
7.0.120.1580.01315.63
7.0.110.0740.01315.42
7.0.100.0790.01115.48
7.0.90.1610.00714.54
7.0.80.0670.01215.53
7.0.70.0850.01015.39
7.0.60.1680.01314.35
7.0.50.0730.00915.49
7.0.40.0660.01015.60
7.0.30.0990.00815.54
7.0.20.0720.01215.56
7.0.10.0900.01415.51
7.0.00.0940.02015.78

preferences:
47.15 ms | 401 KiB | 5 Q