3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = 'John '; $text[10] = 'Doe'; var_dump($text); echo strlen($text);

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)
8.3.60.0140.00718.43
8.3.50.0100.00716.50
8.3.40.0060.00918.87
8.3.30.0100.00618.70
8.3.20.0000.00720.30
8.3.10.0080.00321.85
8.3.00.0080.00019.79
8.2.180.0100.00716.38
8.2.170.0110.00322.96
8.2.160.0040.01119.08
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0000.00719.17
8.2.120.0080.00026.35
8.2.110.0030.00620.53
8.2.100.0080.00317.84
8.2.90.0040.00419.02
8.2.80.0080.00018.03
8.2.70.0040.00417.63
8.2.60.0000.00818.04
8.2.50.0030.00518.10
8.2.40.0040.00420.59
8.2.30.0020.00519.16
8.2.20.0050.00317.92
8.2.10.0030.00518.13
8.2.00.0000.00718.04
8.1.270.0140.00022.12
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.51
8.1.230.0040.00718.77
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0050.00517.35
8.1.190.0040.00417.36
8.1.180.0040.00418.10
8.1.170.0050.00318.34
8.1.160.0070.00018.89
8.1.150.0000.01018.88
8.1.140.0000.00719.45
8.1.130.0070.00318.88
8.1.120.0040.00417.47
8.1.110.0080.00017.28
8.1.100.0050.00217.52
8.1.90.0040.00417.38
8.1.80.0030.00317.47
8.1.70.0070.00017.50
8.1.60.0000.00717.44
8.1.50.0000.00817.55
8.1.40.0000.00817.48
8.1.30.0070.00017.54
8.1.20.0080.00017.59
8.1.10.0040.00417.44
8.1.00.0060.00317.45
8.0.300.0030.00618.77
8.0.290.0000.00716.88
8.0.280.0020.00518.38
8.0.270.0040.00417.26
8.0.260.0070.00016.88
8.0.250.0000.00716.93
8.0.240.0050.00516.95
8.0.230.0030.00317.00
8.0.220.0000.00716.85
8.0.210.0030.00316.98
8.0.200.0020.00516.90
8.0.190.0040.00416.86
8.0.180.0040.00416.83
8.0.170.0070.00016.95
8.0.160.0070.00016.97
8.0.150.0080.00016.84
8.0.140.0000.00816.88
8.0.130.0030.00313.38
8.0.120.0030.00616.89
8.0.110.0040.00416.80
8.0.100.0000.00716.90
8.0.90.0000.00716.92
8.0.80.0100.01016.98
8.0.70.0040.00416.77
8.0.60.0040.00416.84
8.0.50.0000.00716.99
8.0.30.0110.00817.07
8.0.20.0110.00917.42
8.0.10.0040.00417.12
8.0.00.0100.01416.95
7.4.330.0050.00015.55
7.4.320.0000.00616.48
7.4.300.0030.00316.49
7.4.290.0040.00416.45
7.4.280.0040.00416.49
7.4.270.0000.00716.53
7.4.260.0060.00016.44
7.4.250.0070.00016.58
7.4.240.0030.00316.58
7.4.230.0030.00316.62
7.4.220.0120.00616.49
7.4.210.0120.00416.48
7.4.200.0000.00716.50
7.4.160.0080.00916.44
7.4.150.0060.01617.40
7.4.140.0140.00517.86
7.4.130.0210.00316.52
7.4.120.0110.01016.41
7.4.110.0000.01616.50
7.4.100.0090.00916.43
7.4.90.0110.00516.48
7.4.80.0070.01419.39
7.4.70.0060.01016.54
7.4.60.0120.00416.45
7.4.50.0070.01016.29
7.4.40.0000.01716.44
7.4.30.0000.01616.48
7.4.00.0060.00914.91
7.3.330.0000.00513.18
7.3.320.0000.00513.14
7.3.310.0000.00816.30
7.3.300.0000.00716.25
7.3.290.0100.00916.25
7.3.280.0080.00816.26
7.3.270.0300.02317.40
7.3.260.0120.00916.54
7.3.250.0130.00716.34
7.3.240.0060.01216.39
7.3.230.0140.00916.42
7.3.210.0030.01316.39
7.3.200.0060.00916.40
7.3.190.0000.01716.54
7.3.180.0130.01016.50
7.3.170.0090.00616.56
7.3.160.0060.00916.64
7.3.120.0060.01214.74
7.3.110.0090.00914.95
7.3.100.0060.00314.78
7.3.90.0140.00014.59
7.3.80.0090.00614.98
7.3.70.0090.00614.89
7.3.60.0080.00414.67
7.3.50.0040.01114.96
7.3.40.0040.01214.69
7.3.30.0040.00714.79
7.3.20.0030.00716.78
7.3.10.0030.01016.65
7.3.00.0030.00616.88
7.2.330.0030.01616.51
7.2.320.0100.01016.66
7.2.310.0140.00316.38
7.2.300.0060.01016.44
7.2.290.0060.01616.48
7.2.250.0100.01015.09
7.2.240.0110.00714.82
7.2.230.0110.00414.89
7.2.220.0090.00614.75
7.2.210.0040.01115.22
7.2.200.0000.00915.04
7.2.190.0060.00614.71
7.2.180.0030.01414.73
7.2.170.0100.00315.06
7.2.60.0000.01417.05
7.2.00.0060.00319.45
7.1.330.0120.00415.92
7.1.320.0030.00915.55
7.1.310.0040.00415.61
7.1.300.0070.00716.01
7.1.290.0030.01215.86
7.1.280.0030.01315.64
7.1.270.0090.00015.81
7.1.260.0040.00815.60
7.1.200.0030.01015.83
7.1.100.0060.00317.79
7.1.70.0050.01017.19
7.1.60.0200.01035.05
7.1.50.0090.01934.91
7.1.40.0240.00734.54
7.1.30.0210.00934.47
7.1.20.0290.00734.53
7.1.10.0030.01216.30
7.1.00.0060.00816.50
7.0.200.0030.01016.76
7.0.190.0140.00016.80
7.0.180.0030.01516.34
7.0.170.0040.01116.24
7.0.160.0030.01316.46
7.0.150.0060.00916.20
7.0.140.0030.01016.32
7.0.130.0030.01016.55
7.0.120.0030.01016.34
7.0.110.0030.01016.30
7.0.100.0060.00616.42
7.0.90.0060.00616.22
7.0.80.0060.00916.41
7.0.70.0030.01916.38
7.0.60.0060.00816.20
7.0.50.0080.00416.47
7.0.40.0090.00616.43
7.0.30.0000.01416.57
7.0.20.0000.01316.49
7.0.10.0030.00916.41
7.0.00.0060.00616.20

preferences:
85.14 ms | 400 KiB | 5 Q