3v4l.org

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

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)
8.3.40.0040.01218.71
8.3.30.0060.00918.55
8.3.20.0040.00420.38
8.3.10.0070.00021.95
8.3.00.0040.00423.61
8.2.170.0150.00322.96
8.2.160.0070.01319.04
8.2.150.0000.00724.18
8.2.140.0080.00824.66
8.2.130.0000.00721.13
8.2.120.0050.00326.35
8.2.110.0040.00421.04
8.2.100.0040.00817.98
8.2.90.0040.00419.07
8.2.80.0030.00617.97
8.2.70.0040.00417.75
8.2.60.0040.00417.68
8.2.50.0040.00418.22
8.2.40.0030.00620.42
8.2.30.0030.00820.96
8.2.20.0000.00818.05
8.2.10.0040.00418.18
8.2.00.0000.00817.98
8.1.270.0040.00420.15
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.23
8.1.230.0000.01020.40
8.1.220.0050.00317.79
8.1.210.0060.00318.77
8.1.200.0000.00817.23
8.1.190.0100.00017.21
8.1.180.0040.00418.10
8.1.170.0060.00318.71
8.1.160.0070.00018.89
8.1.150.0050.00220.11
8.1.140.0070.00017.70
8.1.130.0080.00319.04
8.1.120.0040.00417.52
8.1.110.0000.00817.33
8.1.100.0000.00817.42
8.1.90.0070.00017.34
8.1.80.0050.00217.52
8.1.70.0070.00017.46
8.1.60.0060.00317.57
8.1.50.0050.00317.51
8.1.40.0000.00717.48
8.1.30.0060.00617.48
8.1.20.0050.00217.54
8.1.10.0000.00717.52
8.1.00.0040.00417.36
8.0.300.0070.00018.77
8.0.290.0030.00516.73
8.0.280.0050.00318.45
8.0.270.0030.00317.26
8.0.260.0000.00718.37
8.0.250.0030.00317.06
8.0.240.0030.00316.95
8.0.230.0070.00017.02
8.0.220.0030.00316.98
8.0.210.0030.00317.02
8.0.200.0040.00417.00
8.0.190.0040.00416.88
8.0.180.0050.00217.03
8.0.170.0030.00316.80
8.0.160.0030.00616.89
8.0.150.0000.00716.93
8.0.140.0040.00416.94
8.0.130.0030.00313.34
8.0.120.0000.00716.92
8.0.110.0000.00716.83
8.0.100.0000.00816.82
8.0.90.0000.00716.96
8.0.80.0000.01416.89
8.0.70.0000.00716.82
8.0.60.0040.00416.89
8.0.50.0070.00016.82
8.0.30.0090.00717.11
8.0.20.0080.01217.40
8.0.10.0070.00016.86
8.0.00.0060.01216.84
7.4.330.0030.00315.55
7.4.320.0030.00316.61
7.4.300.0000.00616.55
7.4.290.0030.00616.46
7.4.280.0070.00016.43
7.4.270.0030.00316.57
7.4.260.0030.00316.47
7.4.250.0070.00016.52
7.4.240.0000.00716.54
7.4.230.0030.00316.59
7.4.220.0120.00816.66
7.4.210.0070.01316.55
7.4.200.0030.00316.47
7.4.160.0070.00916.49
7.4.150.0060.00917.40
7.4.140.0100.01017.86
7.4.130.0100.00716.58
7.4.120.0120.00616.52
7.4.110.0130.00316.39
7.4.100.0170.00316.36
7.4.90.0090.01516.69
7.4.80.0060.01819.39
7.4.70.0150.00616.40
7.4.60.0030.01316.50
7.4.50.0090.00616.46
7.4.40.0030.01316.62
7.4.30.0130.00316.56
7.4.00.0000.01614.86
7.3.330.0000.00613.19
7.3.320.0030.00313.21
7.3.310.0070.00016.39
7.3.300.0000.00716.37
7.3.290.0120.00916.35
7.3.280.0070.00916.37
7.3.270.0140.00417.40
7.3.260.0100.00716.53
7.3.250.0090.00916.43
7.3.240.0100.00916.43
7.3.230.0140.00916.41
7.3.210.0100.00716.37
7.3.200.0060.01216.35
7.3.190.0130.00316.62
7.3.180.0040.01416.56
7.3.170.0120.00416.41
7.3.160.0060.00916.49
7.3.10.0080.00416.48
7.3.00.0080.00516.71
7.2.330.0170.00716.69
7.2.320.0070.01016.64
7.2.310.0120.00616.65
7.2.300.0120.00616.61
7.2.290.0090.01316.52
7.2.130.0120.00416.68
7.2.120.0100.00316.66
7.2.110.0130.00716.53
7.2.100.0080.00816.90
7.2.90.0080.00816.70
7.2.80.0000.01116.94
7.2.70.0030.01016.50
7.2.60.0050.00916.80
7.2.50.0070.00716.75
7.2.40.0040.01216.64
7.2.30.0090.00616.92
7.2.20.0150.00216.84
7.2.10.0030.00716.55
7.2.00.0040.01116.74
7.1.250.0060.00615.43
7.1.200.0080.00515.65
7.1.100.0030.00918.02
7.1.90.0030.01017.84
7.1.80.0070.01018.13
7.1.70.0030.01017.07
7.1.60.0180.00734.96
7.1.50.0140.01134.67
7.1.40.0190.00634.23
7.1.30.0200.00634.43
7.1.20.0070.02034.55
7.1.10.0040.00816.59
7.1.00.0060.00816.55
7.0.240.0100.00317.73
7.0.230.0060.00617.70
7.0.220.0040.01317.62
7.0.210.0080.00516.57
7.0.200.0090.00316.66
7.0.190.0040.00816.61
7.0.180.0030.00916.14
7.0.170.0070.00716.44
7.0.160.0030.01016.15
7.0.150.0040.00816.24
7.0.140.0100.00716.30
7.0.130.0100.00316.57
7.0.120.0060.00616.46
7.0.110.0030.00916.29
7.0.100.0050.01216.25
7.0.90.0030.00916.17
7.0.80.0000.01316.26
7.0.70.0030.01016.15
7.0.60.0030.00916.15
7.0.50.0060.00616.39
7.0.40.0040.00816.48
7.0.30.0030.00916.60
7.0.20.0120.00016.48
7.0.10.0000.01116.57
7.0.00.0040.00816.47

preferences:
45.86 ms | 400 KiB | 5 Q