3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '"UN073121092BR"'; echo substr($str, srtlen($str)-1, 1);

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)
8.3.60.0150.00616.50
8.3.50.0180.00617.86
8.3.40.0120.00318.79
8.3.30.0040.01118.58
8.3.20.0080.00020.12
8.3.10.0040.00423.53
8.3.00.0000.00822.32
8.2.180.0130.00916.75
8.2.170.0100.00322.96
8.2.160.0070.00719.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00722.20
8.2.120.0000.00826.35
8.2.110.0070.00321.18
8.2.100.0080.00417.78
8.2.90.0050.00319.02
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.90
8.2.50.0030.00519.25
8.2.40.0070.00022.32
8.2.30.0000.00719.18
8.2.20.0030.00517.48
8.2.10.0070.00018.05
8.2.00.0030.00517.63
8.1.280.0070.01325.92
8.1.270.0050.00223.97
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0000.00820.96
8.1.230.0040.00717.51
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0050.00317.11
8.1.180.0000.00818.10
8.1.170.0050.00318.40
8.1.160.0030.00322.09
8.1.150.0000.00718.79
8.1.140.0000.00719.50
8.1.130.0050.00317.61
8.1.120.0000.00717.32
8.1.110.0080.00017.36
8.1.100.0050.00317.39
8.1.90.0070.00017.41
8.1.80.0000.00717.25
8.1.70.0030.00317.29
8.1.60.0040.00417.48
8.1.50.0050.00317.54
8.1.40.0080.00017.49
8.1.30.0060.00317.59
8.1.20.0000.00817.49
8.1.10.0040.00417.53
8.1.00.0000.00817.50
8.0.300.0050.00518.77
8.0.290.0040.00416.75
8.0.280.0050.00318.29
8.0.270.0000.00817.09
8.0.260.0000.00818.45
8.0.250.0030.00316.90
8.0.240.0030.00316.94
8.0.230.0040.00416.87
8.0.220.0020.00516.75
8.0.210.0070.00016.86
8.0.200.0030.00316.97
8.0.190.0000.00716.96
8.0.180.0000.00716.91
8.0.170.0040.00416.89
8.0.160.0050.00216.99
8.0.150.0030.00316.93
8.0.140.0030.00316.82
8.0.130.0050.00013.38
8.0.120.0040.00416.88
8.0.110.0070.00016.77
8.0.100.0040.00416.93
8.0.90.0000.00816.77
8.0.80.0040.01216.88
8.0.70.0000.00816.95
8.0.60.0070.00016.79
8.0.50.0000.00716.87
8.0.30.0110.00817.10
8.0.20.0060.01317.40
8.0.10.0030.00516.86
8.0.00.0090.00916.43
7.4.330.0050.00015.08
7.4.320.0030.00316.55
7.4.300.0070.00016.63
7.4.290.0070.00016.59
7.4.280.0040.00416.56
7.4.270.0000.00616.57
7.4.260.0000.00716.52
7.4.250.0050.00216.46
7.4.240.0070.00016.35
7.4.230.0030.00316.43
7.4.220.0130.01316.64
7.4.210.0130.00516.47
7.4.200.0000.00716.41
7.4.160.0110.00616.48
7.4.150.0130.01017.40
7.4.140.0100.00817.86
7.4.130.0090.00916.50
7.4.120.0110.01116.44
7.4.110.0120.00616.61
7.4.100.0160.00716.57
7.4.90.0030.01616.61
7.4.80.0090.00619.39
7.4.70.0070.01016.47
7.4.60.0110.00716.52
7.4.50.0050.00516.51
7.4.40.0080.00816.39
7.4.30.0070.01016.66
7.4.00.0080.01015.06
7.3.330.0030.00312.99
7.3.320.0000.00613.01
7.3.310.0030.00516.24
7.3.300.0030.00316.16
7.3.290.0000.00716.24
7.3.280.0080.00916.25
7.3.270.0070.01017.40
7.3.260.0100.00716.35
7.3.250.0100.00716.25
7.3.240.0120.00716.29
7.3.230.0030.01516.39
7.3.210.0060.00916.37
7.3.200.0080.00816.19
7.3.190.0070.01116.60
7.3.180.0090.01216.25
7.3.170.0120.00416.52
7.3.160.0070.01416.60
7.3.120.0070.01214.99
7.3.110.0070.01114.63
7.3.100.0050.01214.85
7.3.90.0100.00514.75
7.3.80.0030.01014.67
7.3.70.0070.00514.60
7.3.60.0060.00914.92
7.3.50.0070.00514.73
7.3.40.0050.00514.68
7.3.30.0030.01014.73
7.3.20.0020.00916.56
7.3.10.0060.00616.61
7.3.00.0070.00516.50
7.2.330.0100.00716.66
7.2.320.0180.00316.66
7.2.310.0150.00716.28
7.2.300.0120.00916.58
7.2.290.0100.00616.39
7.2.250.0070.01315.04
7.2.240.0090.01015.05
7.2.230.0110.00514.91
7.2.220.0050.00915.02
7.2.210.0050.01015.06
7.2.200.0090.00714.86
7.2.190.0040.01114.70
7.2.180.0060.00814.99
7.2.170.0080.00514.92
7.2.160.0040.00814.94
7.2.150.0070.00416.64
7.2.140.0060.00616.84
7.2.130.0040.00716.74
7.2.120.0070.00716.88
7.2.110.0080.00816.61
7.2.100.0000.01916.89
7.2.90.0100.00616.84
7.2.80.0080.01116.65
7.2.70.0000.02016.49
7.2.60.0090.00816.73
7.2.50.0020.01416.70
7.2.40.0000.01616.88
7.2.30.0070.01016.96
7.2.20.0060.00316.55
7.2.10.0030.00616.71
7.2.00.0060.00717.91
7.1.330.0090.00615.54
7.1.320.0100.00315.71
7.1.310.0020.01015.63
7.1.300.0060.00615.71
7.1.290.0050.00815.69
7.1.280.0080.00315.52
7.1.270.0060.00415.67
7.1.260.0050.00815.54
7.1.250.0030.01015.41
7.1.240.0070.01115.77
7.1.230.0080.00315.73
7.1.220.0070.01115.54
7.1.210.0110.00515.63
7.1.200.0040.00915.80
7.1.190.0030.00615.50
7.1.180.0030.01015.68
7.1.170.0060.00915.70
7.1.160.0030.01315.64
7.1.150.0070.00715.69
7.1.140.0040.00715.69
7.1.130.0060.00915.65
7.1.120.0030.00715.74
7.1.110.0100.00315.52
7.1.100.0040.01115.82
7.1.90.0030.01115.69
7.1.80.0100.00015.84
7.1.70.0020.00916.36
7.1.60.0050.01216.25
7.1.50.0080.00916.31
7.1.40.0090.00615.80
7.1.30.0000.01515.72
7.1.20.0060.00615.80
7.1.10.0070.00715.77
7.1.00.0050.04219.06
7.0.330.0030.00615.37
7.0.320.0050.00514.95
7.0.310.0060.01215.24
7.0.300.0070.00315.16
7.0.290.0030.01015.36
7.0.280.0070.01015.40
7.0.270.0000.01115.29
7.0.260.0060.00615.15
7.0.250.0000.01015.46
7.0.240.0070.00715.45
7.0.230.0060.00615.47
7.0.220.0100.00315.21
7.0.210.0060.00615.49
7.0.200.0020.01216.03
7.0.190.0100.00315.36
7.0.180.0000.00815.25
7.0.170.0030.01015.50
7.0.160.0030.00715.50
7.0.150.0090.00315.20
7.0.140.0070.00715.22
7.0.130.0030.00515.50
7.0.120.0040.01115.39
7.0.110.0030.00615.40
7.0.100.1150.03517.64
7.0.90.1060.03017.65
7.0.80.0040.03417.58
7.0.70.0100.03017.66
7.0.60.0080.03017.56
7.0.50.0110.02917.81
7.0.40.0100.02816.73
7.0.30.0100.03016.97
7.0.20.0130.03016.86
7.0.10.0100.03316.83
7.0.00.0010.03816.83
5.6.400.0040.00814.04
5.6.390.0030.00714.52
5.6.380.0040.00814.04
5.6.370.0080.01114.27
5.6.360.0080.00414.19
5.6.350.0080.00414.41
5.6.340.0090.00614.20
5.6.330.0030.00714.30
5.6.320.0030.01314.13
5.6.310.0030.00613.98
5.6.300.0030.00714.42
5.6.290.0040.00413.83
5.6.280.0110.00314.27
5.6.270.0050.00514.34
5.6.260.0040.00414.26
5.6.250.0090.03317.40
5.6.240.0050.03517.35
5.6.230.0020.03817.43
5.6.220.0130.02617.42
5.6.210.0140.02617.34
5.6.200.0070.03317.62
5.6.190.0070.03217.74
5.6.180.0080.03417.42
5.6.170.0020.03817.58
5.6.160.0100.02817.66
5.6.150.0100.03017.62
5.6.140.0100.03017.66
5.6.130.0040.03917.71
5.6.120.0090.03017.62
5.6.110.0090.03117.64
5.6.100.0070.03517.61
5.6.90.0090.03417.56
5.6.80.0110.02617.35
5.6.70.0080.03017.20
5.6.60.0050.03717.35
5.6.50.0050.03417.30
5.6.40.0080.03017.28
5.6.30.0130.02317.28
5.6.20.0050.03317.26
5.6.10.0030.03617.21
5.6.00.0080.02817.23

preferences:
60.82 ms | 401 KiB | 5 Q