3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str2 = "544231310000000000000000"; echo mb_detect_encoding($str2);

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)
8.3.60.0070.01016.38
8.3.50.0150.00316.43
8.3.40.0140.00018.55
8.3.30.0080.00618.68
8.3.20.0040.00420.25
8.3.10.0050.00321.65
8.3.00.0100.00019.35
8.2.180.0140.00716.63
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00021.07
8.2.120.0040.00426.35
8.2.110.0030.00721.02
8.2.100.0000.01118.22
8.2.90.0040.00419.21
8.2.80.0090.00017.97
8.2.70.0030.00617.75
8.2.60.0020.00518.05
8.2.50.0090.00018.10
8.2.40.0070.00020.45
8.2.30.0080.00021.09
8.2.20.0000.00718.11
8.2.10.0060.00318.04
8.2.00.0040.00418.05
8.1.270.0000.00723.92
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0030.00623.80
8.1.230.0080.00420.47
8.1.220.0050.00317.74
8.1.210.0070.00318.77
8.1.200.0030.00717.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.61
8.1.160.0040.00419.03
8.1.150.0000.00718.84
8.1.140.0000.00719.62
8.1.130.0030.00318.82
8.1.120.0040.00417.45
8.1.110.0040.00417.46
8.1.100.0080.00017.50
8.1.90.0040.00417.46
8.1.80.0040.00417.38
8.1.70.0080.00017.43
8.1.60.0040.00417.52
8.1.50.0040.00417.54
8.1.40.0040.00417.48
8.1.30.0050.00317.61
8.1.20.0040.00417.64
8.1.10.0000.00717.52
8.1.00.0000.00717.35
8.0.300.0050.00218.77
8.0.290.0050.00316.75
8.0.280.0030.00318.54
8.0.270.0040.00417.20
8.0.260.0040.00416.85
8.0.250.0000.00717.04
8.0.240.0000.00717.04
8.0.230.0030.00716.91
8.0.220.0000.00716.88
8.0.210.0030.00316.84
8.0.200.0060.00016.92
8.0.190.0040.00716.86
8.0.180.0000.00816.90
8.0.170.0030.00316.88
8.0.160.0060.00316.87
8.0.150.0030.00316.80
8.0.140.0060.00316.86
8.0.130.0000.00513.34
8.0.120.0000.00816.92
8.0.110.0030.00316.86
8.0.100.0000.00716.82
8.0.90.0050.00316.87
8.0.80.0030.01316.81
8.0.70.0070.00016.93
8.0.60.0000.00716.92
8.0.50.0040.00416.69
8.0.30.0060.01316.86
8.0.20.0100.00917.40
8.0.10.0030.00517.00
8.0.00.0200.00316.58
7.4.330.0030.00315.55
7.4.320.0060.00016.39
7.4.300.0000.00616.55
7.4.290.0000.00716.47
7.4.280.0000.00816.55
7.4.270.0060.00316.56
7.4.260.0000.00613.20
7.4.250.0000.00716.50
7.4.240.0040.00416.48
7.4.230.0070.00016.40
7.4.220.0120.00616.54
7.4.210.0100.00816.56
7.4.200.0050.00216.25
7.4.160.0090.01016.45
7.4.150.0110.00617.40
7.4.140.0140.00817.86
7.4.130.0060.01216.41
7.4.120.0100.01016.45
7.4.110.0100.00716.35
7.4.100.0100.00616.40
7.4.90.0100.00616.55
7.4.80.0070.01019.39
7.4.70.0120.00816.49
7.4.60.0090.00616.46
7.4.50.0150.00316.38
7.4.40.0130.00316.46
7.4.30.0090.00616.54
7.4.00.0030.01214.98
7.3.330.0000.00513.17
7.3.320.0050.00013.10
7.3.310.0060.00316.03
7.3.300.0040.00416.20
7.3.290.0040.00416.19
7.3.280.0090.00816.18
7.3.270.0050.01117.40
7.3.260.0100.01016.43
7.3.250.0080.00916.35
7.3.240.0070.01016.29
7.3.230.0040.01316.38
7.3.210.0070.01016.12
7.3.200.0030.01216.12
7.3.190.0080.00816.20
7.3.180.0160.00016.05
7.3.170.0160.00016.34
7.3.160.0120.00416.20
7.3.120.0060.00614.80
7.3.110.0110.00714.71
7.3.100.0090.00614.55
7.3.90.0000.01814.66
7.3.80.0040.00814.64
7.3.70.0070.00314.70
7.3.60.0040.01114.52
7.3.50.0090.00014.83
7.3.40.0040.01114.55
7.3.30.0000.01114.73
7.3.20.0070.00716.58
7.3.10.0000.01316.43
7.3.00.0000.01116.64
7.2.330.0090.00916.35
7.2.320.0150.00916.39
7.2.310.0090.00916.64
7.2.300.0080.00816.48
7.2.290.0120.00616.72
7.2.250.0070.01315.10
7.2.240.0060.01214.87
7.2.230.0000.01414.86
7.2.220.0060.00914.66
7.2.210.0040.00714.78
7.2.200.0030.00614.84
7.2.190.0020.01014.83
7.2.180.0070.00714.80
7.2.170.0060.00614.89
7.2.80.0110.00016.40
7.2.60.0060.00916.62
7.2.00.0070.00719.15
7.1.330.0000.01515.89
7.1.320.0090.00615.80
7.1.310.0050.00615.70
7.1.300.0060.01216.03
7.1.290.0030.01015.54
7.1.280.0030.00715.54
7.1.270.0070.00715.83
7.1.260.0060.00915.55
7.1.200.0030.01015.79
7.1.100.0000.01118.05
7.1.70.0100.01015.18
7.1.60.0410.00333.27
7.1.50.0310.01032.88
7.1.40.0390.01032.66
7.1.30.0360.01032.74
7.1.20.0360.01632.85
7.1.10.0200.00314.80
7.1.00.0100.01015.06
7.0.200.0350.01314.90
7.0.190.0160.00614.72
7.0.180.0130.01714.47
7.0.170.0100.01614.23
7.0.160.0100.01014.46
7.0.150.0220.00614.26
7.0.140.0170.00714.32
7.0.130.0120.00914.87
7.0.120.0130.00714.41
7.0.110.0100.01314.31
7.0.100.0740.00014.59
7.0.90.0120.00914.56
7.0.80.0100.01314.48
7.0.70.0210.00014.61
7.0.60.0140.00714.27
7.0.50.0150.00614.71
7.0.40.0150.00914.52
7.0.30.0160.01214.62
7.0.20.0140.00714.61
7.0.10.0140.01114.70
7.0.00.0150.00614.50

preferences:
55.65 ms | 400 KiB | 5 Q