3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "R&ouml;mer"; $rest = "R&ouml;mer"; $result = "R&ouml;mer"; do { $rest = stristr($rest,$s); $replace = substr($rest,0,strlen($s)); $result = str_replace($replace,"<span class='textHighlight'>{$replace}</span>",$result); $rest = substr($rest,strlen($s)); } while ($rest !== false); echo $result;

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)
8.3.60.0131.98718.43
8.3.50.0101.99421.92
8.3.40.0131.99118.51
8.3.30.0071.99618.55
8.3.20.0071.99718.83
8.3.10.0071.99620.41
8.3.00.0071.99721.82
8.2.180.0201.98416.38
8.2.170.0032.00122.96
8.2.160.0071.99621.02
8.2.150.0101.99324.18
8.2.140.0002.00224.66
8.2.130.0002.00426.16
8.2.120.0032.00019.77
8.2.110.0101.99221.05
8.2.100.0032.00017.72
8.2.90.0031.99919.21
8.2.80.0032.00018.04
8.2.70.0071.99417.50
8.2.60.0071.99717.93
8.2.50.0071.99418.07
8.2.40.0031.99718.34
8.2.30.0071.99219.83
8.2.20.0031.99717.67
8.2.10.0031.99917.93
8.2.00.0031.99817.75
8.1.280.0101.99725.92
8.1.270.0032.00023.99
8.1.260.0071.99426.35
8.1.250.0071.99528.09
8.1.240.0031.99822.47
8.1.230.0071.99620.85
8.1.220.0032.00018.77
8.1.210.0032.00119.02
8.1.200.0071.99617.23
8.1.190.0032.00017.50
8.1.180.0002.00518.10
8.1.170.0031.99718.58
8.1.160.0071.99418.83
8.1.150.0002.00718.56
8.1.140.0031.99717.36
8.1.130.0031.99717.96
8.1.120.0032.00117.39
8.1.110.0071.99617.32
8.1.100.0031.99917.34
8.1.90.0031.99817.54
8.1.80.0071.99517.44
8.1.70.0002.00217.35
8.1.60.0002.00617.61
8.1.50.0002.00217.53
8.1.40.0031.99817.44
8.1.30.0002.00217.48
8.1.20.0071.99617.63
8.1.10.0002.00317.63
8.1.00.0001.99917.48
8.0.300.0071.99719.90
8.0.290.0071.99316.63
8.0.280.0031.99618.29
8.0.270.0032.00217.25
8.0.260.0031.99516.63
8.0.250.0031.99916.79
8.0.240.0032.00016.79
8.0.230.0032.00016.85
8.0.220.0031.99916.64
8.0.210.0002.00316.87
8.0.200.0032.00016.94
8.0.190.0031.99916.71
8.0.180.0031.99916.87
8.0.170.0032.00216.70
8.0.160.0071.99616.90
8.0.150.0201.98616.77
8.0.140.0002.00616.67
8.0.130.0002.00213.31
8.0.120.0032.00016.67
8.0.110.0201.97616.65
8.0.100.0002.00416.77
8.0.90.0101.99316.88
8.0.80.0131.98516.75
8.0.70.0031.99816.72
8.0.60.0032.00016.75
8.0.50.0071.99416.78
8.0.30.0161.99016.94
8.0.20.0151.98417.40
8.0.10.0002.00316.69
8.0.00.0131.98516.59
7.4.330.0000.00514.70
7.4.320.0060.00016.48
7.4.300.0030.00316.44
7.4.290.0000.00816.55
7.4.280.0060.00316.45
7.4.270.0030.00316.48
7.4.260.0030.00313.27
7.4.250.0000.00816.54
7.4.240.0000.00716.50
7.4.230.0030.00316.60
7.4.220.0120.00316.57
7.4.210.0090.00716.56
7.4.200.0070.00016.48
7.4.190.0030.00316.54
7.4.160.0110.00716.41
7.4.150.0130.00617.40
7.4.140.0130.00817.86
7.4.130.0150.00216.47
7.4.120.0040.01316.33
7.4.110.0100.00716.54
7.4.100.0100.00716.43
7.4.90.0000.01716.32
7.4.80.0060.01019.37
7.4.70.0080.00816.21
7.4.60.0080.01016.40
7.4.50.0000.00516.46
7.4.40.0060.00822.27
7.4.30.0150.00916.56
7.4.00.0060.00614.87
7.3.330.0000.00613.09
7.3.320.0030.00213.12
7.3.310.0040.00416.11
7.3.300.0000.00716.17
7.3.290.0030.01016.28
7.3.280.0120.00416.29
7.3.270.0070.01317.40
7.3.260.0050.01118.24
7.3.250.0120.01116.38
7.3.240.0100.00616.27
7.3.230.0130.00316.39
7.3.210.0130.00316.30
7.3.200.0140.00819.39
7.3.190.0070.01016.56
7.3.180.0080.01316.24
7.3.170.0070.01016.38
7.3.160.0200.00316.59
7.3.120.0030.01014.74
7.3.10.0050.01116.53
7.3.00.0050.00916.46
7.2.330.0080.01016.40
7.2.320.0100.01016.79
7.2.310.0130.01416.42
7.2.300.0180.00616.35
7.2.290.0060.00916.47
7.2.130.0070.01116.69
7.2.120.0030.01116.49
7.2.110.0060.00616.68
7.2.100.0030.01016.79
7.2.90.0030.01016.71
7.2.80.0050.00816.56
7.2.70.0050.00516.74
7.2.60.0050.00716.79
7.2.50.0120.00716.88
7.2.40.0040.00916.82
7.2.30.0040.00616.75
7.2.20.0060.00916.99
7.2.10.0090.00416.87
7.2.00.0070.00717.57
7.1.250.0070.00615.58
7.1.100.0000.01218.21
7.1.70.0030.01217.00
7.1.60.0070.01719.40
7.1.50.0030.01716.57
7.1.00.0070.05322.30
7.0.200.0000.00816.78
7.0.140.0070.07021.95
7.0.70.0000.03321.63
7.0.60.0000.05021.76
7.0.50.0070.02722.18
7.0.40.0000.03320.04
7.0.30.0000.04320.07
7.0.20.0030.03720.12
7.0.10.0000.03720.11
7.0.00.0030.04320.16
5.6.280.0000.07721.15
5.6.220.0000.04020.61
5.6.210.0070.03020.60
5.6.200.0030.03321.02
5.6.190.0030.03321.01
5.6.180.0000.03321.03
5.6.170.0030.03321.16
5.6.160.0000.03321.00
5.6.150.0070.02720.93
5.6.140.0030.03321.06
5.6.130.0000.03721.11
5.6.120.0070.08320.93
5.6.110.0030.05721.02
5.6.100.0030.04021.00
5.6.90.0030.08721.01
5.6.80.0000.08020.39
5.6.70.0030.07720.35
5.6.60.0030.06720.39
5.6.50.0130.06720.33
5.6.40.0030.06320.34
5.6.30.0100.06720.51
5.6.20.0030.04020.39
5.6.10.0130.06320.38
5.6.00.0070.06720.40
5.5.360.0070.03720.39
5.5.350.0000.05720.39
5.5.340.0000.03320.85
5.5.330.0030.04020.84
5.5.320.0070.02720.90
5.5.310.0000.03320.88
5.5.300.0070.04020.75
5.5.290.0030.04320.86
5.5.280.0000.05020.75
5.5.270.0000.03720.88
5.5.260.0030.05720.74
5.5.250.0000.08720.70
5.5.240.0070.04020.18
5.5.230.0030.07320.22
5.5.220.0070.07320.09
5.5.210.0070.06319.96
5.5.200.0070.07720.10
5.5.190.0030.08320.26
5.5.180.0000.08720.21
5.5.160.0000.06720.11
5.5.150.0100.05319.95
5.5.140.0000.07020.18
5.5.130.0070.06020.24
5.5.120.0070.07320.06
5.5.110.0100.07720.20
5.5.100.0000.08020.11
5.5.90.0130.06320.13
5.5.80.0000.05720.03
5.5.70.0030.07719.92
5.5.60.0070.08020.09
5.5.50.0000.05320.01
5.5.40.0070.08019.94
5.5.30.0000.06320.05
5.5.20.0000.07720.01
5.5.10.0070.06720.05
5.5.00.0000.08020.03
5.4.450.0070.02719.13
5.4.440.0000.07719.43
5.4.430.0030.05319.37
5.4.420.0030.03719.29
5.4.410.0030.04319.09
5.4.400.0030.07318.80
5.4.390.0030.07719.04
5.4.380.0070.07018.93
5.4.370.0100.06718.95
5.4.360.0030.08019.03
5.4.350.0030.06019.11
5.4.340.0030.05718.87
5.4.320.0030.06019.21
5.4.310.0030.07719.08
5.4.300.0030.06718.95
5.4.290.0030.07018.96
5.4.280.0070.07718.93
5.4.270.0030.07318.95
5.4.260.0000.07719.02
5.4.250.0000.07319.12
5.4.240.0000.07019.01
5.4.230.0000.05018.89
5.4.220.0000.06318.81
5.4.210.0030.06019.00
5.4.200.0070.07319.01
5.4.190.0000.06318.76
5.4.180.0030.07718.96
5.4.170.0070.06318.88
5.4.160.0030.07718.95
5.4.150.0070.05319.01
5.4.140.0200.06316.29
5.4.130.0100.07016.00
5.4.120.0100.06316.21
5.4.110.0030.07316.43
5.4.100.0070.07016.20
5.4.90.0030.07316.29
5.4.80.0000.07316.19
5.4.70.0100.06316.21
5.4.60.0000.07316.23
5.4.50.0070.04316.34
5.4.40.0070.07016.36
5.4.30.0100.06716.16
5.4.20.0030.07316.35
5.4.10.0070.07716.23
5.4.00.0000.06715.75
5.3.290.0000.07714.85
5.3.280.0030.04714.85
5.3.270.0000.08714.85
5.3.260.0030.06714.85
5.3.250.0100.05714.85
5.3.240.0000.08714.85
5.3.230.0030.07314.85
5.3.220.0070.07014.85
5.3.210.0030.07714.85
5.3.200.0070.07714.85
5.3.190.0030.07314.85
5.3.180.0070.06714.85
5.3.170.0030.06714.85
5.3.160.0000.07714.85
5.3.150.0030.06014.85
5.3.140.0030.05014.85
5.3.130.0030.06014.85
5.3.120.0070.07014.85
5.3.110.0070.07014.85
5.3.100.0030.07314.85
5.3.90.0100.07314.85
5.3.80.0070.04714.85
5.3.70.0030.07314.85
5.3.60.0070.06314.85
5.3.50.0030.06014.85
5.3.40.0070.06314.85
5.3.30.0030.07014.85
5.3.20.0070.06714.85
5.3.10.0000.04714.85
5.3.00.0000.07314.85
5.2.170.0030.06014.85
5.2.160.0000.05714.85
5.2.150.0030.05014.85
5.2.140.0030.05714.85
5.2.130.0000.05014.85
5.2.120.0000.05714.85
5.2.110.0070.04714.85
5.2.100.0000.06314.85
5.2.90.0030.06014.85
5.2.80.0070.06314.85
5.2.70.0070.06314.85
5.2.60.0000.06314.85
5.2.50.0070.05314.85
5.2.40.0000.06314.85
5.2.30.0030.05714.85
5.2.20.0030.06014.85
5.2.10.0000.06014.85
5.2.00.0030.06014.85
5.1.60.0000.05714.85
5.1.50.0030.04314.85
5.1.40.0000.05314.85
5.1.30.0000.05714.85
5.1.20.0030.05714.85
5.1.10.0030.05314.85
5.1.00.0030.05314.85
5.0.50.0000.04314.85
5.0.40.0000.04714.85
5.0.30.0030.06714.85
5.0.20.0030.03314.85
5.0.10.0030.04014.85
5.0.00.0000.06014.85
4.4.90.0000.03314.85
4.4.80.0000.03714.85
4.4.70.0000.03714.85
4.4.60.0070.03014.85
4.4.50.0030.03314.85
4.4.40.0000.04714.85
4.4.30.0030.03314.85
4.4.20.0000.03714.85
4.4.10.0000.03714.85
4.4.00.0070.03714.85
4.3.110.0000.03714.85
4.3.100.0000.02714.85
4.3.90.0000.03314.85
4.3.80.0030.05014.85
4.3.70.0000.03314.85
4.3.60.0000.03714.85
4.3.50.0070.03014.85
4.3.40.0000.05014.85
4.3.30.0030.03714.85
4.3.20.0030.03314.85
4.3.10.0030.03314.85
4.3.00.0030.03714.85

preferences:
41.13 ms | 401 KiB | 5 Q