3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "actualité"; $o = "bônjour"; echo substr($o,0,5);

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)
8.3.60.0150.00416.50
8.3.50.0110.00922.87
8.3.40.0090.00618.39
8.3.30.0090.00918.62
8.3.20.0050.00221.91
8.3.10.0040.00421.82
8.3.00.0000.00819.73
8.2.180.0100.01016.32
8.2.170.0120.00922.96
8.2.160.0080.00621.05
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0070.00022.25
8.2.120.0040.00426.35
8.2.110.0070.00422.05
8.2.100.0080.00418.03
8.2.90.0000.00819.22
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0090.00022.25
8.2.30.0000.00719.14
8.2.20.0000.00717.63
8.2.10.0020.00517.90
8.2.00.0040.00418.05
8.1.280.0190.00025.92
8.1.270.0040.00423.83
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00422.67
8.1.230.0000.01117.70
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00617.11
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0040.00422.16
8.1.150.0040.00420.94
8.1.140.0040.00419.48
8.1.130.0030.00317.51
8.1.120.0070.00017.38
8.1.110.0040.00417.30
8.1.100.0050.00217.32
8.1.90.0040.00417.41
8.1.80.0000.00717.37
8.1.70.0030.00317.30
8.1.60.0000.00817.51
8.1.50.0060.00317.30
8.1.40.0000.00717.35
8.1.30.0090.00017.61
8.1.20.0050.00317.58
8.1.10.0000.00817.40
8.1.00.0040.00417.44
8.0.300.0000.00818.77
8.0.290.0080.00016.63
8.0.280.0070.00018.44
8.0.270.0030.00317.32
8.0.260.0000.00617.25
8.0.250.0000.00716.95
8.0.240.0060.00016.99
8.0.230.0030.00516.84
8.0.220.0040.00416.80
8.0.210.0000.00716.79
8.0.200.0030.00316.93
8.0.190.0000.00816.95
8.0.180.0050.00316.76
8.0.170.0000.00716.79
8.0.160.0040.00416.84
8.0.150.0000.00816.80
8.0.140.0030.00616.82
8.0.130.0030.00313.29
8.0.120.0030.00516.84
8.0.110.0040.00416.80
8.0.100.0070.00016.70
8.0.90.0030.00316.72
8.0.80.0130.00716.88
8.0.70.0070.00016.70
8.0.60.0040.00416.69
8.0.50.0060.00316.69
8.0.30.0120.00617.12
8.0.20.0120.00917.40
8.0.10.0040.00317.02
8.0.00.0150.00316.84
7.4.330.0020.00215.08
7.4.320.0030.00316.54
7.4.300.0060.00016.43
7.4.290.0040.00416.33
7.4.280.0030.00316.42
7.4.270.0000.00716.45
7.4.260.0070.00016.47
7.4.250.0030.00316.54
7.4.240.0000.00716.36
7.4.230.0070.00016.34
7.4.220.0120.00616.64
7.4.210.0040.01416.46
7.4.200.0070.00016.63
7.4.160.0070.00916.49
7.4.150.0060.01117.40
7.4.140.0110.00717.86
7.4.130.0110.00716.44
7.4.120.0060.01116.52
7.4.110.0080.01516.45
7.4.100.0090.00916.38
7.4.90.0100.00716.46
7.4.80.0130.00319.39
7.4.70.0080.00816.34
7.4.60.0060.01016.35
7.4.50.0070.00316.11
7.4.40.0120.00616.22
7.4.30.0100.00716.36
7.4.00.0080.00814.88
7.3.330.0000.00512.88
7.3.320.0000.00512.93
7.3.310.0030.00316.00
7.3.300.0030.00316.07
7.3.290.0030.00316.17
7.3.280.0070.01116.20
7.3.270.0070.01017.40
7.3.260.0140.00716.28
7.3.250.0060.01216.21
7.3.240.0100.00716.18
7.3.230.0070.01016.52
7.3.210.0070.01016.32
7.3.200.0040.01116.16
7.3.190.0060.01016.48
7.3.180.0090.01116.19
7.3.170.0130.01016.39
7.3.160.0060.01116.34
7.3.120.0080.01114.78
7.3.110.0050.00814.50
7.3.100.0070.01014.69
7.3.90.0030.01114.48
7.3.80.0050.00714.41
7.3.70.0090.00714.59
7.3.60.0040.00914.67
7.3.50.0050.00814.56
7.3.40.0020.00814.74
7.3.30.0070.00514.55
7.3.20.0050.00916.50
7.3.10.0060.00616.47
7.3.00.0080.00516.56
7.2.330.0090.00916.59
7.2.320.0110.00816.55
7.2.310.0080.00816.38
7.2.300.0090.01316.66
7.2.290.0050.01116.26
7.2.250.0080.01014.97
7.2.240.0080.01014.88
7.2.230.0060.00814.68
7.2.220.0060.00914.95
7.2.210.0060.00814.72
7.2.200.0050.00914.79
7.2.190.0030.00814.80
7.2.180.0070.00714.67
7.2.170.0070.00714.94
7.2.160.0070.01014.70
7.2.150.0040.01116.79
7.2.140.0030.00916.79
7.2.130.0050.00816.94
7.2.120.0060.00616.47
7.2.110.0040.00716.62
7.2.100.0020.00816.63
7.2.90.0020.01116.69
7.2.80.0020.01516.82
7.2.70.0020.01116.78
7.2.60.0140.00516.60
7.2.50.0090.00516.71
7.2.40.0070.00916.63
7.2.30.0050.00716.77
7.2.20.0030.01216.81
7.2.10.0030.01016.85
7.2.00.0060.00717.66
7.1.330.0050.01015.62
7.1.320.0060.01015.57
7.1.310.0040.01115.77
7.1.300.0050.00615.78
7.1.290.0060.00515.74
7.1.280.0050.00515.54
7.1.270.0070.00615.78
7.1.260.0000.01415.71
7.1.250.0020.01215.72
7.1.240.0030.01015.48
7.1.230.0100.00315.63
7.1.220.0070.00715.51
7.1.210.0040.00415.55
7.1.200.0050.00915.78
7.1.190.0120.00015.76
7.1.180.0030.00715.63
7.1.170.0060.00615.54
7.1.160.0100.00715.84
7.1.150.0000.00915.66
7.1.140.0110.00415.54
7.1.130.0120.00315.66
7.1.120.0000.00815.73
7.1.110.0030.00715.82
7.1.100.0070.00716.64
7.1.90.0060.00315.73
7.1.80.0070.01015.46
7.1.70.0030.00816.41
7.1.60.0070.01117.71
7.1.50.0000.01715.69
7.1.40.0030.01015.61
7.1.30.0100.00315.31
7.1.20.0090.00315.70
7.1.10.0030.00915.57
7.1.00.0030.04419.10
7.0.330.0070.00715.34
7.0.320.0110.00315.06
7.0.310.0090.00315.14
7.0.300.0110.00015.32
7.0.290.0050.00515.56
7.0.280.0030.00515.15
7.0.270.0030.01015.10
7.0.260.0070.00415.30
7.0.250.0090.00615.32
7.0.240.0070.00715.31
7.0.230.0060.01015.12
7.0.220.0080.00315.17
7.0.210.0030.00615.27
7.0.200.0150.00614.90
7.0.190.0030.01015.22
7.0.180.0030.01315.44
7.0.170.0070.01015.34
7.0.160.0040.00415.29
7.0.150.0030.00715.51
7.0.140.0000.01115.21
7.0.130.0030.00915.37
7.0.120.0050.00515.29
7.0.110.0030.00915.20
7.0.100.0120.00315.20
7.0.90.0530.00217.47
7.0.80.0580.00517.59
7.0.70.0590.00417.50
7.0.60.0500.00517.68
7.0.50.0450.00317.88
7.0.40.0560.00416.85
7.0.30.0460.00316.72
7.0.20.0520.00216.88
7.0.10.0450.00316.92
7.0.00.0450.00316.91
5.6.400.0060.00614.09
5.6.390.0080.00814.16
5.6.380.0070.00314.11
5.6.370.0000.01414.30
5.6.360.0070.00714.17
5.6.350.0000.01513.96
5.6.340.0120.00013.86
5.6.330.0110.00014.11
5.6.320.0000.00914.43
5.6.310.0060.00614.03
5.6.300.0000.01214.10
5.6.290.0060.01113.92
5.6.280.0070.01013.95
5.6.270.0000.01714.28
5.6.260.0070.00314.46
5.6.250.0090.00613.95
5.6.240.0520.00617.40
5.6.230.0420.00417.27
5.6.220.0330.00717.46
5.6.210.0400.00317.53
5.6.200.0400.00717.62
5.6.190.0380.00317.63
5.6.180.0330.00417.55
5.6.170.0490.00217.60
5.6.160.0460.00417.68
5.6.150.0370.00717.58
5.6.140.0400.00517.72
5.6.130.0450.00717.63
5.6.120.0440.00217.81
5.6.110.0370.00417.70
5.6.100.0400.00417.68
5.6.90.0350.00717.73
5.6.80.0410.00417.40
5.6.70.0380.00417.44
5.6.60.0490.00217.32
5.6.50.0380.00317.32
5.6.40.0440.00017.29
5.6.30.0470.00517.39
5.6.20.0450.00517.30
5.6.10.0480.00317.14
5.6.00.0370.00517.32

preferences:
55.64 ms | 401 KiB | 5 Q