3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = 'John '; $text[10] = 'Doe'; var_dump($text); 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)
8.3.60.0140.00416.75
8.3.50.0140.00316.23
8.3.40.0070.00718.54
8.3.30.0120.00618.67
8.3.20.0000.00720.10
8.3.10.0030.00621.82
8.3.00.0080.00019.56
8.2.180.0100.00716.75
8.2.170.0000.01422.96
8.2.160.0120.00618.96
8.2.150.0140.00024.18
8.2.140.0050.00224.66
8.2.130.0070.00019.24
8.2.120.0000.00826.35
8.2.110.0040.00422.25
8.2.100.0080.00417.97
8.2.90.0000.00818.93
8.2.80.0000.00818.03
8.2.70.0030.00617.50
8.2.60.0080.00017.80
8.2.50.0000.00818.10
8.2.40.0000.00820.65
8.2.30.0000.00719.26
8.2.20.0040.00418.11
8.2.10.0050.00318.05
8.2.00.0040.00417.99
8.1.280.0110.00425.92
8.1.270.0000.00822.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00619.13
8.1.230.0120.00019.09
8.1.220.0030.00517.79
8.1.210.0060.00318.77
8.1.200.0030.00617.25
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0050.00318.64
8.1.160.0000.00718.88
8.1.150.0100.00020.66
8.1.140.0070.00019.48
8.1.130.0030.00718.95
8.1.120.0070.00017.54
8.1.110.0000.00817.31
8.1.100.0080.00017.47
8.1.90.0080.00017.49
8.1.80.0030.00417.45
8.1.70.0030.00317.44
8.1.60.0070.00017.44
8.1.50.0000.00717.44
8.1.40.0000.00817.44
8.1.30.0040.00417.63
8.1.20.0000.00817.55
8.1.10.0040.00417.45
8.1.00.0040.00417.49
8.0.300.0050.00318.77
8.0.290.0000.00816.88
8.0.280.0030.00518.38
8.0.270.0070.00017.30
8.0.260.0030.00316.88
8.0.250.0060.00016.89
8.0.240.0070.00317.00
8.0.230.0040.00416.95
8.0.220.0040.00417.01
8.0.210.0000.00816.86
8.0.200.0000.00616.88
8.0.190.0030.00616.91
8.0.180.0070.00016.88
8.0.170.0040.00416.80
8.0.160.0070.00016.88
8.0.150.0030.00316.86
8.0.140.0000.00816.90
8.0.130.0050.00013.42
8.0.120.0040.00416.80
8.0.110.0000.00716.81
8.0.100.0000.00716.86
8.0.90.0050.00316.79
8.0.80.0110.00717.02
8.0.70.0050.00217.01
8.0.60.0000.00716.79
8.0.50.0000.00716.90
8.0.30.0100.00616.99
8.0.20.0100.01117.40
8.0.10.0040.00416.97
8.0.00.0030.02316.77
7.4.330.0030.00315.55
7.4.320.0030.00316.43
7.4.300.0000.00616.61
7.4.290.0000.00716.63
7.4.280.0000.00816.48
7.4.270.0080.00016.60
7.4.260.0060.00316.50
7.4.250.0070.00016.56
7.4.240.0040.00416.59
7.4.230.0000.00716.39
7.4.220.0120.00616.46
7.4.210.0030.01016.47
7.4.200.0030.00516.57
7.4.160.0090.00716.48
7.4.150.0070.01117.40
7.4.140.0130.00517.86
7.4.130.0180.00716.29
7.4.120.0120.00816.58
7.4.110.0060.00916.50
7.4.100.0130.01016.61
7.4.90.0110.00716.39
7.4.80.0130.01019.39
7.4.70.0070.01016.25
7.4.60.0330.01216.57
7.4.50.0130.00316.49
7.4.40.0070.01116.46
7.4.30.0110.00516.36
7.4.00.0070.00914.81
7.3.330.0000.00613.02
7.3.320.0030.00313.02
7.3.310.0040.00416.14
7.3.300.0000.00716.16
7.3.290.0070.00816.22
7.3.280.0090.00816.26
7.3.270.0100.00717.40
7.3.260.0090.01016.35
7.3.250.0140.00616.39
7.3.240.0110.00916.44
7.3.230.0160.00716.48
7.3.210.0060.01016.36
7.3.200.0090.01316.60
7.3.190.0090.00616.23
7.3.180.0090.00616.34
7.3.170.0120.00316.28
7.3.160.0040.01116.45
7.3.120.0070.00914.84
7.3.110.0110.00815.08
7.3.100.0070.00814.75
7.3.90.0040.01114.89
7.3.80.0070.00314.92
7.3.70.0040.00914.82
7.3.60.0000.01214.91
7.3.50.0050.01014.81
7.3.40.0090.00314.63
7.3.30.0050.00614.75
7.3.20.0060.00516.43
7.3.10.0020.01116.53
7.3.00.0060.00916.71
7.2.330.0070.01016.57
7.2.320.0070.01116.51
7.2.310.0030.01316.23
7.2.300.0120.00616.52
7.2.290.0140.00316.43
7.2.250.0160.00014.82
7.2.240.0120.00615.04
7.2.230.0070.00714.65
7.2.220.0080.00814.85
7.2.210.0070.00714.91
7.2.200.0030.00815.03
7.2.190.0080.00714.77
7.2.180.0030.01114.70
7.2.170.0070.00714.89
7.2.160.0060.00914.80
7.2.150.0030.00916.99
7.2.140.0030.01016.77
7.2.130.0070.01116.64
7.2.120.0000.01216.98
7.2.110.0040.01116.84
7.2.100.0060.00317.01
7.2.90.0060.00916.95
7.2.80.0040.01516.89
7.2.70.0070.01016.32
7.2.60.0070.00916.76
7.2.50.0030.00816.91
7.2.40.0060.00817.02
7.2.30.0000.00916.87
7.2.20.0030.01216.70
7.2.10.0090.00616.73
7.2.00.0070.00818.06
7.1.330.0070.00715.67
7.1.320.0030.00915.88
7.1.310.0030.01015.74
7.1.300.0090.00315.72
7.1.290.0030.01115.58
7.1.280.0040.00915.84
7.1.270.0050.00915.75
7.1.260.0060.00816.01
7.1.250.0060.00615.76
7.1.200.0030.01015.76
7.1.100.0060.00317.73
7.1.70.0030.01017.02
7.1.60.0220.00735.05
7.1.50.0260.00334.72
7.1.40.0140.01434.43
7.1.30.0220.00834.32
7.1.20.0300.01134.39
7.1.10.0070.00716.61
7.1.00.0030.01716.55
7.0.200.0090.00316.53
7.0.190.0100.00616.83
7.0.180.0030.01016.34
7.0.170.0040.00916.34
7.0.160.0050.01616.21
7.0.150.0030.01016.22
7.0.140.0060.00916.29
7.0.130.0060.00916.43
7.0.120.0030.01116.71
7.0.110.0040.01116.40
7.0.100.0060.00916.34
7.0.90.0060.00916.48
7.0.80.0030.01316.42
7.0.70.0060.00916.18
7.0.60.0130.00615.93
7.0.50.0070.01116.29
7.0.40.0110.00416.45
7.0.30.0030.01016.41
7.0.20.0030.01016.50
7.0.10.0100.00316.38
7.0.00.0060.00616.47

preferences:
78.15 ms | 400 KiB | 5 Q