3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'This is a string of words with multiple vowels.'; for ($i=strlen($string); $i >= 0 ; $i--) { if (strpos("aeiouAEIOU", substr($string, $i, 1)) !== false) { echo substr_replace($string, "", $i, 1); exit(); } } echo $string;

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)
8.3.60.0070.00716.50
8.3.50.0140.00721.91
8.3.40.0110.00418.59
8.3.30.0070.00718.82
8.3.20.0040.00420.29
8.3.10.0050.00323.61
8.3.00.0080.00019.56
8.2.180.0090.00616.50
8.2.170.0110.01122.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0080.00819.36
8.2.110.0030.00622.19
8.2.100.0060.00617.84
8.2.90.0040.00418.03
8.2.80.0030.00617.97
8.2.70.0080.00017.75
8.2.60.0100.00617.39
8.2.50.0050.00318.07
8.2.40.0000.00818.16
8.2.30.0030.00318.29
8.2.20.0040.00417.84
8.2.10.0080.00018.08
8.2.00.0000.00717.61
8.1.280.0110.00425.92
8.1.270.0080.00023.86
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0030.00622.14
8.1.230.0100.00021.11
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0080.00017.23
8.1.190.0000.00817.11
8.1.180.0040.00418.10
8.1.170.0040.00418.38
8.1.160.0040.00421.89
8.1.150.0040.00418.66
8.1.140.0040.00417.30
8.1.130.0030.00317.90
8.1.120.0030.00517.40
8.1.110.0030.00617.40
8.1.100.0020.00517.27
8.1.90.0050.00317.27
8.1.80.0000.00717.29
8.1.70.0030.00317.35
8.1.60.0040.00417.50
8.1.50.0000.00917.51
8.1.40.0000.00817.40
8.1.30.0040.00417.66
8.1.20.0040.00417.57
8.1.10.0040.00417.50
8.1.00.0020.00517.30
8.0.300.0000.01119.83
8.0.290.0080.00016.88
8.0.280.0030.00318.45
8.0.270.0070.00017.28
8.0.260.0030.00317.25
8.0.250.0070.00017.01
8.0.240.0070.00017.02
8.0.230.0000.00817.01
8.0.220.0030.00316.88
8.0.210.0000.00716.86
8.0.200.0060.00316.85
8.0.190.0030.00316.95
8.0.180.0000.00716.86
8.0.170.0070.00016.83
8.0.160.0040.00416.89
8.0.150.0070.00016.79
8.0.140.0030.00316.87
8.0.130.0000.00613.27
8.0.120.0030.00516.88
8.0.110.0040.00416.79
8.0.100.0050.00216.87
8.0.90.0070.00016.91
8.0.80.0140.00716.91
8.0.70.0070.00016.87
8.0.60.0040.00416.87
8.0.50.0000.00716.79
8.0.30.0120.00617.22
8.0.20.0100.01017.40
8.0.10.0040.00417.02
8.0.00.0120.00616.65
7.4.330.0000.00515.07
7.4.320.0000.00616.52
7.4.300.0000.00616.64
7.4.290.0030.00316.51
7.4.280.0000.01116.58
7.4.270.0000.00716.39
7.4.260.0030.00716.49
7.4.250.0000.00716.37
7.4.240.0020.00516.50
7.4.230.0000.00716.48
7.4.220.0130.01016.45
7.4.210.0100.00316.42
7.4.200.0040.00416.59
7.4.160.0160.00316.50
7.4.150.0150.00617.40
7.4.140.0080.01217.86
7.4.130.0120.00716.39
7.4.120.0110.00616.64
7.4.110.0000.01716.55
7.4.100.0120.00916.53
7.4.90.0160.00016.57
7.4.80.0090.01219.39
7.4.70.0070.01116.29
7.4.60.0080.00816.45
7.4.50.0050.00016.52
7.4.40.0090.00916.64
7.4.30.0070.01016.50
7.4.00.0070.00714.75
7.3.330.0030.00313.31
7.3.320.0000.00613.14
7.3.310.0040.00416.43
7.3.300.0000.00716.27
7.3.290.0070.00716.49
7.3.280.0090.01116.39
7.3.270.0090.00917.40
7.3.260.0060.01216.73
7.3.250.0080.01016.38
7.3.240.0000.01716.48
7.3.230.0070.01016.39
7.3.210.0130.00716.49
7.3.200.0080.00819.39
7.3.190.0050.01016.35
7.3.180.0070.01016.34
7.3.170.0060.00916.36
7.3.160.0030.01216.43
7.3.120.0100.00715.00
7.3.110.0030.01014.91
7.3.100.0070.00715.04
7.3.90.0100.00714.79
7.3.80.0030.00714.61
7.3.70.0100.00614.66
7.3.60.0040.01114.80
7.3.50.0040.00714.84
7.3.40.0030.00615.00
7.3.30.0030.01014.87
7.3.20.0100.00716.63
7.3.10.0080.00416.66
7.3.00.0090.00516.68
7.2.330.0120.01116.74
7.2.320.0060.01216.70
7.2.310.0110.01116.49
7.2.300.0080.00816.64
7.2.290.0030.01316.30
7.2.240.0030.01215.02
7.2.230.0070.01014.96
7.2.220.0070.01014.81
7.2.210.0030.01314.99
7.2.200.0080.00815.03
7.2.190.0030.01515.00
7.2.180.0040.01115.12
7.2.170.0000.01514.79
7.2.160.0030.01215.18
7.2.150.0070.01016.89
7.2.140.0040.01117.10
7.2.130.0070.00716.92
7.2.120.0050.01116.88
7.2.110.0060.00616.99
7.2.100.0070.00716.89
7.2.90.0060.00416.99
7.2.80.0090.00616.63
7.2.70.0080.00716.73
7.2.60.0070.00716.96
7.2.50.0090.00616.87
7.2.40.0070.00616.99
7.2.30.0080.00416.95
7.2.20.0070.00716.86
7.2.10.0040.00616.87
7.2.00.0080.00517.56
7.1.330.0000.01415.72
7.1.320.0110.00415.70
7.1.310.0150.00015.93
7.1.300.0070.00715.61
7.1.290.0070.00715.89
7.1.280.0060.01015.78
7.1.270.0090.00615.84
7.1.260.0060.00916.01
7.1.250.0060.00515.68
7.1.200.0030.00615.76
7.1.100.0030.00518.24
7.1.70.0030.00617.17
7.1.60.0090.01619.70
7.1.50.0190.01934.55
7.1.00.0030.07722.57
7.0.200.0070.00416.84
7.0.140.0030.07322.09
7.0.60.0130.07720.00
7.0.50.0170.02717.84
7.0.40.0070.07320.27
7.0.30.0530.07320.15
7.0.20.0300.06320.20
7.0.10.0100.08320.00
7.0.00.0070.08720.32
5.6.280.0000.07321.02
5.6.210.0070.04020.61
5.6.200.0130.07718.10
5.6.190.0000.05320.35
5.6.180.4000.03720.45
5.6.170.0330.07020.42
5.6.160.0000.05020.55
5.6.150.0170.07018.21
5.6.140.0030.08318.22
5.6.130.0100.07718.20
5.6.120.0130.06021.00
5.6.110.0030.08321.00
5.6.100.0130.08020.97
5.6.90.0070.09020.95
5.6.80.0100.07720.35
5.6.70.4430.03720.36
5.5.350.0030.08020.32
5.5.340.0100.05317.92
5.5.330.0070.08020.46
5.5.320.0300.08020.18
5.5.310.0170.04320.21
5.5.300.0030.04017.96
5.5.290.0030.04017.91
5.5.280.0000.08020.87
5.5.270.0070.04320.82
5.5.260.0100.06020.75
5.5.250.0130.07320.78
5.5.240.0230.03720.34
5.4.450.0500.05043.90
5.4.440.0130.03743.87
5.4.430.0270.04043.79
5.4.420.0370.04343.79
5.4.410.0130.04343.77
5.4.400.0270.04043.77
5.4.390.0300.04043.77
5.4.380.0100.05718.60
5.4.370.0030.06018.59
5.4.360.0170.05018.48
5.4.350.0100.06018.70
5.4.340.0130.05318.50
5.4.320.0090.03412.45
5.4.310.0060.03712.45
5.4.300.0080.03312.46
5.4.290.0100.03412.45
5.4.280.0040.03712.35
5.4.270.0050.03612.35
5.4.260.0080.03512.35
5.4.250.0070.03512.35
5.4.240.0100.04212.35
5.4.230.0070.04212.34
5.4.220.0080.03412.34
5.4.210.0050.03612.34
5.4.200.0040.03912.34
5.4.190.0070.03512.34
5.4.180.0050.03812.34
5.4.170.0030.03712.35
5.4.160.0070.03512.35
5.4.150.0060.03912.34
5.4.140.0060.03612.02
5.4.130.0040.03712.02
5.4.120.0080.03411.97
5.4.110.0040.03611.96
5.4.100.0040.03611.97
5.4.90.0080.03511.96
5.4.80.0090.03411.96
5.4.70.0060.03511.96
5.4.60.0060.03411.96
5.4.50.0050.03511.96
5.4.40.0070.03411.95
5.4.30.0050.03611.94
5.4.20.0060.03511.95
5.4.10.0090.03211.95
5.4.00.0050.03711.44
5.3.290.0060.04012.80
5.3.280.0070.03612.71
5.3.270.0070.03912.73
5.3.260.0050.04012.71
5.3.250.0100.03412.72
5.3.240.0070.03712.72
5.3.230.0070.03612.71
5.3.220.0050.04012.68
5.3.210.0050.03912.68
5.3.200.0070.03512.68
5.3.190.0050.04212.68
5.3.180.0100.03812.68
5.3.170.0040.04012.67
5.3.160.0070.03612.67
5.3.150.0050.03812.67
5.3.140.0080.05112.66
5.3.130.0060.04412.66
5.3.120.0090.03612.65
5.3.110.0080.04812.66
5.3.100.0070.03612.12
5.3.90.0080.03812.08
5.3.80.0060.03512.08
5.3.70.0050.04012.07
5.3.60.0070.03812.06
5.3.50.0080.03612.00
5.3.40.0060.03612.00
5.3.30.0060.03511.95
5.3.20.0090.03211.72
5.3.10.0050.03611.69
5.3.00.0090.03211.68
5.2.170.0020.0329.18
5.2.160.0070.0289.18
5.2.150.0050.0309.18
5.2.140.0070.0299.18
5.2.130.0060.0279.14
5.2.120.0050.0279.14
5.2.110.0050.0349.14
5.2.100.0060.0279.14
5.2.90.0060.0299.14
5.2.80.0040.0329.14
5.2.70.0030.0379.14
5.2.60.0040.0309.09
5.2.50.0070.0289.06
5.2.40.0060.0349.04
5.2.30.0050.0299.01
5.2.20.0070.0349.00
5.2.10.0050.0288.93
5.2.00.0030.0368.78
5.1.60.0040.0248.06
5.1.50.0030.0298.06
5.1.40.0090.0238.04
5.1.30.0050.0258.40
5.1.20.0050.0268.42
5.1.10.0060.0248.14
5.1.00.0050.0248.14
5.0.50.0030.0216.62
5.0.40.0020.0266.48
5.0.30.0060.0386.29
5.0.20.0040.0236.26
5.0.10.0050.0196.23
5.0.00.0020.0316.23
4.4.90.0010.0204.78
4.4.80.0020.0164.76
4.4.70.0050.0224.75
4.4.60.0040.0134.75
4.4.50.0020.0154.77
4.4.40.0040.0274.70
4.4.30.0020.0164.76
4.4.20.0040.0144.84
4.4.10.0030.0154.85
4.4.00.0050.0274.76
4.3.110.0010.0174.67
4.3.100.0050.0194.66
4.3.90.0020.0154.63
4.3.80.0040.0234.58
4.3.70.0070.0224.63
4.3.60.0070.0114.63
4.3.50.0040.0144.63
4.3.40.0030.0244.54
4.3.30.0030.0163.28
4.3.20.0030.0143.26
4.3.10.0010.0223.22
4.3.00.0070.01343.77

preferences:
31.01 ms | 401 KiB | 5 Q