3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding("UTF-8"); $str = "Ahoj já jsem poslední. "; $ln = mb_strlen($str, 'UTF-8'); $ref = 0; $offset = mb_strrpos($str, ' ', $ref, 'UTF-8'); echo "<br>nalezeno na pozici $offset, \$ref = $ref"; $ref = $offset - 1 - $ln; $offset = mb_strrpos($str, ' ', $ref, 'UTF-8'); echo "<br>nalezeno na pozici $offset, \$ref = $ref"; $ref = $offset - 1 - $ln; $offset = mb_strrpos($str, ' ', $ref, 'UTF-8'); echo "<br>nalezeno na pozici $offset, \$ref = $ref"; $ref = $offset - 1 - $ln; $offset = mb_strrpos($str, ' ', $ref, 'UTF-8'); echo "<br>nalezeno na pozici $offset, \$ref = $ref"; $ref = $offset - 1 - $ln; $offset = mb_strrpos($str, ' ', $ref, 'UTF-8'); echo "<br>nalezeno na pozici $offset, \$ref = $ref"; $ref = $offset - 1 - $ln; $offset = mb_strrpos($str, ' ', $ref, 'UTF-8'); echo "<br>nalezeno na pozici $offset, \$ref = $ref"; $ref = $offset - 1 - $ln;

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)
8.3.60.0070.01416.34
8.3.50.0140.00717.39
8.3.40.0070.00718.79
8.3.30.0090.00618.63
8.3.20.0080.00018.77
8.3.10.0090.00018.87
8.3.00.0030.00519.38
8.2.180.0110.00718.28
8.2.170.0100.01022.96
8.2.160.0130.00321.13
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.88
8.2.110.0100.00021.05
8.2.100.0080.00417.84
8.2.90.0050.00519.30
8.2.80.0090.00019.32
8.2.70.0040.00417.50
8.2.60.0000.01317.65
8.2.50.0040.00418.07
8.2.40.0040.00418.00
8.2.30.0060.00318.04
8.2.20.0060.00317.63
8.2.10.0000.00717.89
8.2.00.0110.00017.85
8.1.280.0130.00325.92
8.1.270.0030.00524.66
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0100.00022.34
8.1.230.0040.00720.97
8.1.220.0000.00817.74
8.1.210.0070.00418.96
8.1.200.0030.00617.35
8.1.190.0000.00717.41
8.1.180.0090.00318.10
8.1.170.0090.00018.86
8.1.160.0000.00718.81
8.1.150.0040.00418.47
8.1.140.0040.00417.40
8.1.130.0040.00417.84
8.1.120.0030.00717.44
8.1.110.0000.00817.36
8.1.100.0050.00217.34
8.1.90.0040.00417.44
8.1.80.0020.00517.40
8.1.70.0000.00817.29
8.1.60.0000.01217.61
8.1.50.0030.00517.51
8.1.40.0050.00317.53
8.1.30.0080.00017.66
8.1.20.0000.00817.64
8.1.10.0040.00417.62
8.1.00.0050.00317.64
8.0.300.0000.00720.06
8.0.290.0000.00716.75
8.0.280.0000.00718.55
8.0.270.0050.00317.25
8.0.260.0060.00016.80
8.0.250.0050.00317.07
8.0.240.0070.00017.08
8.0.230.0000.00716.97
8.0.220.0000.00716.98
8.0.210.0040.00417.06
8.0.200.0030.00317.09
8.0.190.0040.00417.09
8.0.180.0040.00417.02
8.0.170.0040.00417.04
8.0.160.0040.00417.02
8.0.150.0040.00417.10
8.0.140.0000.00716.85
8.0.130.0030.00313.50
8.0.120.0000.00717.02
8.0.110.0040.00416.96
8.0.100.0000.00817.07
8.0.90.0040.00416.90
8.0.80.0040.01116.91
8.0.70.0040.00417.09
8.0.60.0000.00716.89
8.0.50.0040.00417.10
8.0.30.0090.01017.12
8.0.20.0100.01217.09
8.0.10.0060.00316.93
8.0.00.0090.01316.80
7.4.330.0000.00512.96
7.4.320.0040.00416.39
7.4.300.0000.00716.54
7.4.290.0030.00316.51
7.4.280.0030.00616.48
7.4.270.0000.00716.54
7.4.260.0050.00013.25
7.4.250.0030.00616.42
7.4.240.0020.00516.40
7.4.230.0030.00316.56
7.4.220.0160.01016.57
7.4.210.0080.00616.60
7.4.200.0040.00416.58
7.4.190.0050.00216.46
7.4.160.0080.00816.27
7.4.150.0170.00016.55
7.4.140.0130.01016.38
7.4.130.0130.00516.53
7.4.120.0150.00316.53
7.4.110.0140.00316.48
7.4.100.0150.00316.49
7.4.90.0080.01216.52
7.4.80.0130.00419.39
7.4.70.0130.00616.48
7.4.60.0100.00616.47
7.4.50.0060.00616.32
7.4.40.0130.00016.11
7.4.30.0130.00916.58
7.4.00.0080.00814.87
7.3.330.0000.00613.10
7.3.320.0000.00513.18
7.3.310.0030.00316.28
7.3.300.0000.00716.22
7.3.290.0060.01016.34
7.3.280.0050.01116.38
7.3.270.0140.00616.53
7.3.260.0070.01016.28
7.3.250.0110.01116.32
7.3.240.0130.00716.39
7.3.230.0090.00916.46
7.3.210.0100.00716.21
7.3.200.0100.00716.18
7.3.190.0170.00316.55
7.3.180.0060.00916.30
7.3.170.0070.01016.38
7.3.160.0060.00916.59
7.3.120.0150.00414.87
7.3.110.0080.00514.86
7.3.100.0030.01014.78
7.3.90.0030.00914.68
7.3.80.0090.00614.91
7.3.70.0060.00914.88
7.3.60.0070.01014.66
7.3.50.0080.00814.90
7.3.40.0030.00914.86
7.3.30.0030.01414.72
7.3.20.0030.01016.52
7.3.10.0020.01016.62
7.3.00.0090.00316.61
7.2.330.0120.00616.57
7.2.320.0000.02016.61
7.2.310.0060.01616.48
7.2.300.0040.01516.55
7.2.290.0070.01016.42
7.2.240.0070.00314.77
7.2.230.0030.01015.11
7.2.220.0110.00314.79
7.2.210.0000.01515.13
7.2.200.0070.00714.93
7.2.190.0100.00615.09
7.2.180.0040.01215.08
7.2.170.0060.00915.05
7.2.160.0060.00914.99
7.2.150.0140.00016.55
7.2.140.0030.01216.71
7.2.130.0050.01116.85
7.2.120.0060.00816.85
7.2.110.0060.00816.71
7.2.100.0030.00916.91
7.2.90.0070.00916.77
7.2.80.0050.00916.54
7.2.70.0080.00616.54
7.2.60.0050.00816.94
7.2.50.0050.00916.72
7.2.40.0050.00716.86
7.2.30.0050.00916.88
7.2.20.0060.00916.76
7.2.10.0070.00716.91
7.2.00.0060.00817.45
7.1.330.0000.01615.91
7.1.320.0100.00315.73
7.1.310.0000.01315.64
7.1.300.0040.01215.75
7.1.290.0030.01315.54
7.1.280.0070.00715.74
7.1.270.0060.00615.77
7.1.260.0040.01115.85
7.1.250.0050.00815.88
7.1.100.0030.00618.27
7.1.70.0000.01117.09
7.1.60.0130.01019.40
7.1.50.0080.01517.13
7.1.00.0070.06722.37
7.0.200.0130.00715.04
7.0.140.0070.07021.98
7.0.120.0000.07022.03
7.0.60.0130.04020.08
7.0.50.0070.08017.82
7.0.40.0170.06017.78
7.0.30.0030.07717.69
7.0.20.0000.05017.70
7.0.10.0000.04317.72
7.0.00.0200.05317.74
5.6.210.0130.07320.54
5.6.200.0100.06318.21
5.6.190.0000.08718.17
5.6.180.0030.08018.19
5.6.170.0070.08018.19
5.6.160.0070.08018.22
5.6.150.0030.06018.21
5.6.140.0100.04318.21
5.6.130.0070.08018.12
5.6.120.0200.07318.24
5.6.110.0030.08318.21
5.6.100.0030.06718.11
5.6.90.0070.07718.25
5.6.80.0030.08017.46
5.6.70.0100.05317.56
5.6.60.0070.05017.50
5.6.50.0070.04717.50
5.6.40.0130.06317.53
5.6.30.0030.05317.54
5.6.20.0070.07717.57
5.6.10.0130.07317.56
5.6.00.0000.06317.44
5.5.350.0300.07720.41
5.5.340.0070.08317.91
5.5.330.0070.07317.97
5.5.320.0100.07017.95
5.5.310.0100.06717.96
5.5.300.0070.08017.95
5.5.290.0030.07717.98
5.5.280.0100.08318.05
5.5.270.0070.07317.94
5.5.260.0100.04717.97
5.5.250.0000.06717.84
5.5.240.0000.08317.33
5.5.230.0100.08017.40
5.5.220.0070.05317.38
5.5.210.0170.06717.39
5.5.200.0100.07317.31
5.5.190.0070.05717.30
5.5.180.0100.04717.27
5.5.160.0070.07717.36
5.5.150.0000.04717.23
5.5.140.0100.07017.36
5.5.130.0070.07317.26
5.5.120.0070.04717.26
5.5.110.0030.04017.27
5.5.100.0030.05717.27
5.5.90.0000.05717.16
5.5.80.0070.04717.24
5.5.70.0030.05317.15
5.5.60.0070.05717.26
5.5.50.0130.07317.25
5.5.40.0030.07317.21
5.5.30.0100.07717.27
5.5.20.0100.07717.11
5.5.10.0100.04317.21
5.5.00.0030.08717.19
5.4.450.0200.06719.45
5.4.440.0200.03719.21
5.4.430.0030.04019.27
5.4.420.0100.07319.52
5.4.410.0030.08019.32
5.4.400.0000.06719.03
5.4.390.0030.05019.03
5.4.380.0130.07018.90
5.4.370.0100.05318.98
5.4.360.0130.07318.98
5.4.350.0100.07019.03
5.4.340.0100.04018.95
5.4.320.0070.08018.89
5.4.310.0170.05318.82
5.4.300.0070.07719.11
5.4.290.0130.05319.05
5.4.280.0130.07718.94
5.4.270.0070.05318.96
5.4.260.0000.04319.00
5.4.250.0070.08018.96
5.4.240.0070.07718.99
5.4.230.0100.06718.94
5.4.220.0030.06019.02
5.4.210.0100.07019.02
5.4.200.0100.05018.97
5.4.190.0100.07318.95
5.4.180.0100.04019.10
5.4.170.0130.07319.04
5.4.160.0030.07318.96
5.4.150.0030.04319.07
5.4.140.0100.07016.25
5.4.130.0170.06016.25
5.4.120.0100.05316.25
5.4.110.0130.06316.28
5.4.100.0100.06016.28
5.4.90.0100.03716.28
5.4.80.0030.04016.28
5.4.70.0030.03316.50
5.4.60.0000.03716.25
5.4.50.0000.03716.36
5.4.40.0000.03716.33
5.4.30.0000.03716.20
5.4.20.0000.03716.31
5.4.10.0000.03716.39
5.4.00.0000.04315.76
5.3.290.0070.08014.64
5.3.280.0130.07014.57
5.3.270.0170.06714.58
5.3.260.0130.07314.45
5.3.250.0100.06714.48
5.3.240.0030.04714.58
5.3.230.0070.07314.58
5.3.220.0030.07314.54
5.3.210.0070.07714.43
5.3.200.0130.06014.40
5.3.190.0100.07314.49
5.3.180.0070.03314.49
5.3.170.0070.03314.65
5.3.160.0030.03714.43
5.3.150.0030.03714.53
5.3.140.0070.03314.51
5.3.130.0070.03314.51
5.3.120.0000.04014.48
5.3.110.0000.04014.38
5.3.100.0030.04014.04
5.3.90.0030.03314.00
5.3.80.0030.03714.00
5.3.70.0030.04313.98
5.3.60.0000.04313.77
5.3.50.0030.04013.72
5.3.40.0070.03313.93
5.3.30.0070.03013.84
5.3.20.0100.03013.62
5.3.10.0100.02713.74
5.3.00.0000.03713.56
5.2.170.0000.03310.98
5.2.160.0100.04011.30
5.2.150.0070.02311.15
5.2.140.0030.03311.15
5.2.130.0030.02711.01
5.2.120.0000.03311.08
5.2.110.0030.02711.07
5.2.100.0000.03011.01
5.2.90.0000.03010.95
5.2.80.0030.02711.07
5.2.70.0000.03311.04
5.2.60.0030.02710.96
5.2.50.0000.03010.96
5.2.40.0030.03010.91
5.2.30.0070.02310.96
5.2.20.0000.03010.80
5.2.10.0030.02710.84
5.2.00.0030.02710.68
5.1.60.0000.02310.06
5.1.50.0000.02710.11
5.1.40.0000.02310.07
5.1.30.0000.02710.41
5.1.20.0000.02710.32
5.1.10.0000.02710.14
5.1.00.0000.02710.00
5.0.50.0030.0238.72
5.0.40.0000.0238.72
5.0.30.0070.0408.72
5.0.20.0030.0208.72
5.0.10.0000.0338.72
5.0.00.0000.0408.72
4.4.90.0000.0138.72
4.4.80.0000.0178.72
4.4.70.0030.0138.72
4.4.60.0030.0138.72
4.4.50.0000.0238.72
4.4.40.0000.0238.72
4.4.30.0030.0138.72
4.4.20.0000.0208.72
4.4.10.0000.0138.72
4.4.00.0000.0278.72
4.3.110.0030.0308.72
4.3.100.0000.0238.72
4.3.90.0030.0278.72
4.3.80.0030.0438.72
4.3.70.0030.0278.72
4.3.60.0000.0238.72
4.3.50.0070.0178.72
4.3.40.0000.0308.72
4.3.30.0000.0208.72
4.3.20.0000.0378.72
4.3.10.0000.0278.72
4.3.00.0000.0408.72

preferences:
45.95 ms | 401 KiB | 5 Q