3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input ="a\"b"; echo strlen($input)." ".strlen(utf8_decode($input));

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)
8.3.60.0090.00916.61
8.3.50.0140.00416.45
8.3.40.0040.01119.02
8.3.30.0080.00618.71
8.3.20.0030.00520.25
8.3.10.0040.00423.70
8.3.00.0050.00319.85
8.2.180.0090.01216.50
8.2.170.0120.00322.96
8.2.160.0130.00320.52
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0070.00419.30
8.2.120.0060.00326.35
8.2.110.0090.00020.51
8.2.100.0030.00717.92
8.2.90.0080.00019.26
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0080.00018.16
8.2.50.0030.00718.07
8.2.40.0000.00922.11
8.2.30.0040.00420.61
8.2.20.0040.00417.61
8.2.10.0030.00517.87
8.2.00.0030.00518.02
8.1.280.0100.00725.92
8.1.270.0110.00720.28
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0060.00322.07
8.1.230.0110.00017.79
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0070.00017.10
8.1.180.0000.00718.10
8.1.170.0000.00818.71
8.1.160.0000.00720.76
8.1.150.0040.00418.92
8.1.140.0000.00819.55
8.1.130.0030.00317.61
8.1.120.0030.00317.52
8.1.110.0000.00817.51
8.1.100.0040.00417.41
8.1.90.0050.00317.36
8.1.80.0070.00017.32
8.1.70.0040.00417.32
8.1.60.0040.00417.45
8.1.50.0080.00017.56
8.1.40.0030.00517.45
8.1.30.0060.00617.63
8.1.20.0000.00717.57
8.1.10.0040.00417.40
8.1.00.0030.00617.49
8.0.300.0040.00418.77
8.0.290.0090.00016.63
8.0.280.0040.00418.43
8.0.270.0000.00717.14
8.0.260.0030.00317.31
8.0.250.0070.00016.85
8.0.240.0040.00416.97
8.0.230.0070.00016.88
8.0.220.0050.00216.91
8.0.210.0030.00316.84
8.0.200.0060.00016.99
8.0.190.0030.00516.78
8.0.180.0070.00016.88
8.0.170.0040.00416.95
8.0.160.0100.00316.90
8.0.150.0000.00816.82
8.0.140.0030.00716.81
8.0.130.0000.00713.35
8.0.120.0040.00416.75
8.0.110.0040.00416.87
8.0.100.0020.00516.75
8.0.90.0070.00016.82
8.0.80.0070.00716.84
8.0.70.0070.00016.78
8.0.60.0000.00816.95
8.0.50.0040.00416.95
8.0.30.0140.00617.18
8.0.20.0160.00517.40
8.0.10.0000.00716.80
8.0.00.0100.00916.79
7.4.330.0030.00315.08
7.4.320.0030.00316.55
7.4.300.0000.00616.60
7.4.290.0070.00016.49
7.4.280.0070.00016.53
7.4.270.0030.00316.55
7.4.260.0050.00216.47
7.4.250.0030.00316.48
7.4.240.0040.00316.53
7.4.230.0000.00716.42
7.4.220.0090.00916.54
7.4.210.0090.00416.55
7.4.200.0000.00716.25
7.4.160.0070.01016.38
7.4.150.0150.00217.40
7.4.140.0120.01017.86
7.4.130.0080.01216.54
7.4.120.0080.01216.54
7.4.110.0160.00316.42
7.4.100.0060.01516.45
7.4.90.0140.00316.49
7.4.80.0090.00819.39
7.4.70.0060.01016.65
7.4.60.0060.01216.36
7.4.50.0040.01116.34
7.4.40.0090.00816.52
7.4.30.0160.00716.38
7.4.10.0040.01415.03
7.4.00.0070.01114.79
7.3.330.0000.00613.08
7.3.320.0000.00513.17
7.3.310.0000.00716.07
7.3.300.0030.00316.30
7.3.290.0030.00316.12
7.3.280.0080.01016.29
7.3.270.0090.00917.40
7.3.260.0100.00716.56
7.3.250.0110.00816.48
7.3.240.0100.00716.37
7.3.230.0070.01716.39
7.3.210.0100.00716.52
7.3.200.0070.01716.39
7.3.190.0140.00316.30
7.3.180.0060.01316.31
7.3.170.0130.00616.27
7.3.160.0090.00616.32
7.3.130.0030.01614.52
7.3.120.0000.01814.60
7.3.110.0060.01214.81
7.3.100.0080.00814.54
7.3.90.0090.00614.80
7.3.80.0100.00314.80
7.3.70.0080.00414.70
7.3.60.0090.00314.87
7.3.50.0000.00814.95
7.3.40.0030.00914.95
7.3.30.0080.00414.86
7.3.20.0030.01316.46
7.3.10.0150.00016.79
7.3.00.0030.01316.42
7.2.330.0100.00616.50
7.2.320.0070.01016.70
7.2.310.0100.00716.31
7.2.300.0100.00716.52
7.2.290.0130.00316.52
7.2.260.0070.00715.22
7.2.250.0000.01514.94
7.2.240.0060.00914.97
7.2.230.0060.00914.92
7.2.220.0060.00614.89
7.2.210.0090.00614.48
7.2.200.0040.00814.93
7.2.190.0090.00314.73
7.2.180.0040.00414.95
7.2.170.0090.00914.90
7.2.160.0090.00615.07
7.2.150.0080.00616.96
7.2.140.0110.00016.63
7.2.130.0070.01016.57
7.2.120.0100.00316.92
7.2.110.0070.00716.83
7.2.100.0100.00716.79
7.2.90.0070.01016.94
7.2.80.0020.01416.47
7.2.70.0100.00716.66
7.2.60.0050.00816.98
7.2.50.0030.00716.65
7.2.40.0030.01017.03
7.2.30.0090.00616.94
7.2.20.0030.00917.00
7.2.10.0030.01216.81
7.2.00.0110.00618.18
7.1.330.0040.01115.73
7.1.320.0060.00915.65
7.1.310.0030.00516.08
7.1.300.0070.00715.52
7.1.290.0000.01015.78
7.1.280.0070.00715.62
7.1.270.0070.00715.77
7.1.260.0090.00315.48
7.1.250.0070.00715.91
7.1.240.0080.00315.54
7.1.230.0030.01015.70
7.1.220.0040.01115.86
7.1.210.0030.00915.63
7.1.200.0070.00615.69
7.1.190.0030.00715.55
7.1.180.0040.00815.80
7.1.170.0030.01015.56
7.1.160.0040.00715.90
7.1.150.0000.01315.81
7.1.140.0030.00915.81
7.1.130.0060.00615.73
7.1.120.0000.01215.55
7.1.110.0040.00815.93
7.1.100.0050.00716.86
7.1.90.0080.00615.94
7.1.80.0040.01116.08
7.1.70.0070.00516.57
7.1.60.0080.01017.65
7.1.50.0080.01016.28
7.1.40.0040.01116.00
7.1.30.0060.00615.90
7.1.20.0040.01215.94
7.1.10.0140.00015.80
7.1.00.0040.03819.13
7.0.330.0030.01015.36
7.0.320.0060.00615.48
7.0.310.0090.00415.50
7.0.300.0040.01115.39
7.0.290.0040.01115.50
7.0.280.0000.01215.23
7.0.270.0030.01015.55
7.0.260.0030.00915.56
7.0.250.0050.00515.24
7.0.240.0110.00315.42
7.0.230.0040.00815.42
7.0.220.0040.00815.37
7.0.210.0000.00915.53
7.0.200.0040.00616.04
7.0.190.0130.00015.42
7.0.180.0070.00715.20
7.0.170.0000.00915.34
7.0.160.0030.00915.31
7.0.150.0060.00615.15
7.0.140.0100.00315.41
7.0.130.0120.00015.46
7.0.120.0060.00315.59
7.0.110.0070.00715.48
7.0.100.0030.01015.19
7.0.90.0030.01015.25
7.0.80.0060.00615.52
7.0.70.0030.00915.62
7.0.60.0050.02217.57
7.0.50.0080.04316.68
7.0.40.0120.04316.90
7.0.30.0270.04016.86
7.0.20.0120.02216.68
7.0.10.0050.04316.73
7.0.00.0060.04716.81
5.6.400.0070.00714.34
5.6.390.0060.00314.11
5.6.380.0090.00614.45
5.6.370.0030.00714.10
5.6.360.0030.00914.34
5.6.350.0040.01214.63
5.6.340.0040.00714.30
5.6.330.0100.00714.16
5.6.320.0060.00914.54
5.6.310.0120.00314.16
5.6.300.0040.01114.61
5.6.290.0070.00314.11
5.6.280.0000.02317.63
5.6.270.0040.01114.29
5.6.260.0030.00914.20
5.6.250.0040.01114.14
5.6.240.0070.00714.57
5.6.230.0060.00614.09
5.6.220.0090.00614.19
5.6.210.0020.05217.44
5.6.200.0040.04516.19
5.6.190.0050.03017.25
5.6.180.0200.04117.53
5.6.170.0170.03017.32
5.6.160.0080.04317.40
5.6.150.0050.02616.14
5.6.140.0050.03116.23
5.6.130.0140.04016.09
5.6.120.0050.02817.75
5.6.110.0070.04417.52
5.6.100.0050.04317.64
5.6.90.0050.04517.87
5.6.80.0090.03917.23
5.6.70.0000.01314.28
5.6.60.0120.00013.92
5.6.50.0090.00313.93
5.6.40.0070.00314.01
5.6.30.0000.00814.14
5.6.20.0030.01314.20
5.6.10.0070.00714.07
5.6.00.0060.00614.49
5.5.380.0070.00714.00
5.5.370.0060.00314.41
5.5.360.0030.01014.19
5.5.350.0170.03617.42
5.5.340.0090.04016.07
5.5.330.0030.04817.30
5.5.320.0250.03617.14
5.5.310.0150.03517.29
5.5.300.0050.02916.07
5.5.290.0060.04316.00
5.5.280.0120.04317.46
5.5.270.0020.05217.48
5.5.260.0050.05017.56
5.5.250.0050.04317.38
5.5.240.0140.03717.03
5.5.230.0040.00814.05
5.5.220.0040.00814.20
5.5.210.0040.00714.17
5.5.200.0000.00913.89
5.5.190.0050.00314.16
5.5.180.0040.00914.32
5.5.170.0070.00714.13
5.5.160.0060.00914.31
5.5.150.0090.00613.98
5.5.140.0070.00714.00
5.5.130.0080.00413.97
5.5.120.0030.01014.21
5.5.110.0050.00514.07
5.5.100.0050.00514.10
5.5.90.0060.00614.36
5.5.80.0090.00313.92
5.5.70.0030.00914.18
5.5.60.0000.01114.20
5.5.50.0050.00514.02
5.5.40.0050.00514.13
5.5.30.0070.00714.28
5.5.20.0030.01013.92
5.5.10.0100.00314.25
5.5.00.0070.00414.05

preferences:
53.48 ms | 400 KiB | 5 Q