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); echo "rest: $rest\n"; $replace = substr($rest,0,strlen($s)); echo "replace: $replace\n"; $result = str_replace($replace,"<span class='textHighlight'>{$replace}</span>",$result); echo "result: $result\n"; $rest = substr($rest,strlen($s)); echo "rest': $rest\n"; } while ($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)
8.3.60.0210.00016.38
8.3.50.0170.00621.98
8.3.40.0130.01018.59
8.3.30.0210.02118.95
8.3.20.0150.00720.39
8.3.10.0070.00323.65
8.3.00.0040.00720.93
8.2.180.0170.00716.32
8.2.170.0110.01122.96
8.2.160.0150.00720.33
8.2.150.0030.00724.18
8.2.140.0070.00324.66
8.2.130.0130.00026.16
8.2.120.0100.00020.63
8.2.110.0080.00322.04
8.2.100.0110.00319.58
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0100.00017.93
8.2.50.0080.00018.07
8.2.40.0040.00420.99
8.2.30.0000.00918.20
8.2.20.0030.00617.81
8.2.10.0040.00418.18
8.2.00.0040.00417.91
8.1.280.0150.00625.92
8.1.270.0090.00323.99
8.1.260.0120.00026.35
8.1.250.0090.00028.09
8.1.240.0090.00323.97
8.1.230.0040.00818.96
8.1.220.0070.00317.74
8.1.210.0000.00818.77
8.1.200.0100.00317.11
8.1.190.0060.00316.98
8.1.180.0040.00418.10
8.1.170.0060.00318.52
8.1.160.0000.01022.02
8.1.150.0030.00718.64
8.1.140.0030.00717.45
8.1.130.0060.00317.92
8.1.120.0040.00417.39
8.1.110.0040.00417.32
8.1.100.0030.00617.46
8.1.90.0030.00617.50
8.1.80.0000.00917.35
8.1.70.0090.00017.44
8.1.60.0090.00017.49
8.1.50.0030.00717.44
8.1.40.0040.00417.51
8.1.30.0000.01017.52
8.1.20.0030.00717.48
8.1.10.0060.00617.49
8.1.00.0090.00017.52
8.0.300.0060.00318.77
8.0.290.0040.00417.05
8.0.280.0030.00618.29
8.0.270.0040.00417.18
8.0.260.0110.00017.13
8.0.250.0080.00016.84
8.0.240.0040.00416.86
8.0.230.0050.00216.80
8.0.220.0040.00416.77
8.0.210.0000.00816.76
8.0.200.0050.00216.77
8.0.190.0060.00316.77
8.0.180.0060.00316.80
8.0.170.0070.00316.77
8.0.160.0060.00316.82
8.0.150.0060.00316.73
8.0.140.0100.00016.67
8.0.130.0060.00313.31
8.0.120.0060.00316.72
8.0.110.0050.00516.75
8.0.100.0030.00716.71
8.0.90.0070.00316.73
8.0.80.0100.01416.72
8.0.70.0070.00316.75
8.0.60.0070.00316.73
8.0.50.0030.00616.74
8.0.30.0330.02716.76
8.0.20.0300.01417.40
8.0.10.0000.00816.69
8.0.00.0350.02216.62
7.4.330.0000.00515.15
7.4.320.0000.00716.49
7.4.300.0000.00616.51
7.4.290.0030.00316.63
7.4.280.0040.00416.48
7.4.270.0030.00316.55
7.4.260.0050.00216.60
7.4.250.0000.00716.60
7.4.240.0020.00516.44
7.4.230.0030.00316.70
7.4.220.0110.00716.53
7.4.210.0030.01116.57
7.4.200.0070.00016.61
7.4.190.0000.00716.58
7.4.160.0060.00916.33
7.4.150.0090.00917.40
7.4.140.0110.00717.86
7.4.130.0110.00616.44
7.4.120.0080.01016.65
7.4.110.0130.01016.51
7.4.100.0130.00716.74
7.4.90.0170.00016.41
7.4.80.0030.01619.39
7.4.70.0070.01016.41
7.4.60.0110.00616.56
7.4.50.0000.00516.44
7.4.40.0090.00916.38
7.4.30.0100.00616.44
7.4.00.0070.00714.82
7.3.330.0030.00213.22
7.3.320.0000.00512.91
7.3.310.0030.00316.12
7.3.300.0030.00316.25
7.3.290.0100.00716.24
7.3.280.0070.01016.25
7.3.270.0100.00817.40
7.3.260.0080.01216.29
7.3.250.0080.01116.33
7.3.240.0160.00716.44
7.3.230.0110.01116.39
7.3.210.0150.00316.48
7.3.200.0100.01019.39
7.3.190.0060.01116.30
7.3.180.0000.01716.58
7.3.170.0060.01016.39
7.3.160.0110.00516.41
7.3.120.0090.00615.04
7.3.110.0040.00714.93
7.3.100.0040.01114.97
7.3.90.0090.00914.64
7.3.80.0070.00314.51
7.3.70.0060.00914.57
7.3.60.0040.01114.93
7.3.50.0040.00814.72
7.3.40.0030.01314.81
7.3.30.0060.00614.71
7.3.20.0090.00616.68
7.3.10.0100.00716.46
7.3.00.0030.01416.57
7.2.330.0100.00716.62
7.2.320.0040.01416.48
7.2.310.0150.00316.64
7.2.300.0080.00816.38
7.2.290.0090.00916.41
7.2.240.0110.00314.76
7.2.230.0040.00815.02
7.2.220.0030.00614.91
7.2.210.0060.00914.97
7.2.200.0040.01115.08
7.2.190.0030.01315.11
7.2.180.0090.00615.10
7.2.170.0090.00614.96
7.2.160.0070.01014.79
7.2.150.0100.00716.64
7.2.140.0130.00316.80
7.2.130.0100.00717.00
7.2.120.0060.01016.93
7.2.110.0030.00917.05
7.2.100.0030.01316.71
7.2.90.0140.00416.98
7.2.80.0030.01016.68
7.2.70.0040.01216.55
7.2.60.0040.01016.76
7.2.50.0090.00616.91
7.2.40.0110.00416.96
7.2.30.0060.01217.03
7.2.20.0000.01816.84
7.2.10.0030.01016.64
7.2.00.0050.01018.16
7.1.330.0000.01315.95
7.1.320.0090.00615.74
7.1.310.0000.00915.78
7.1.300.0000.00915.66
7.1.290.0100.00715.89
7.1.280.0100.00315.85
7.1.270.0070.00715.84
7.1.260.0060.00616.00
7.1.250.0040.00716.00
7.1.200.0070.00715.87
7.1.100.0040.00717.76
7.1.70.0080.00317.10
7.1.60.0070.01719.46
7.1.50.0030.01716.69
7.1.00.0030.07722.37
7.0.200.0060.00316.78
7.0.140.0030.07322.18
7.0.100.0070.07719.97
7.0.90.0070.08320.00
7.0.80.0200.07020.03
7.0.70.0130.07720.05
7.0.60.0100.08719.95
7.0.50.0070.07720.41
7.0.40.0070.08020.08
7.0.30.0130.05320.18
7.0.20.0100.07720.15
7.0.10.0000.08720.10
7.0.00.0200.07720.13
5.6.280.0070.07021.10
5.6.250.0100.04720.75
5.6.240.0070.07320.69
5.6.230.0000.06020.69
5.6.220.0270.04020.49
5.6.210.0070.08020.52
5.6.200.0100.07021.07
5.6.190.0130.07321.02
5.6.180.0000.08321.02
5.6.170.0030.08721.02
5.6.160.0170.06721.11
5.6.150.0100.07720.94
5.6.140.0130.08021.13
5.6.130.0070.08021.06
5.6.120.0100.08321.08
5.6.110.0070.08321.10
5.6.100.0030.08721.00
5.6.90.0070.08721.00
5.6.80.0070.07320.43
5.6.70.0000.08320.42
5.6.60.0070.08020.38
5.6.50.0270.05320.56
5.6.40.0070.05720.27
5.6.30.0100.07720.38
5.6.20.0100.04720.52
5.6.10.0130.06320.43
5.6.00.0070.08020.39
5.5.380.0070.08020.57
5.5.370.0070.08020.51
5.5.360.0070.07720.36
5.5.350.0100.08320.37
5.5.340.0170.04320.64
5.5.330.0130.04320.73
5.5.320.0130.07320.83
5.5.310.0100.07320.73
5.5.300.0000.09320.72
5.5.290.0100.08320.83
5.5.280.0130.08020.89
5.5.270.0130.06020.75
5.5.260.0000.08720.90
5.5.250.0030.09020.74
5.5.240.0200.06720.26
5.5.230.0070.05320.21
5.5.220.0100.07720.29
5.5.210.0070.04020.17
5.5.200.0130.07720.13
5.5.190.0100.07720.15
5.5.180.0070.08020.09
5.5.160.0100.05320.26
5.5.150.0030.07320.10
5.5.140.0100.04320.21
5.5.130.0200.06720.23
5.5.120.0130.07020.27
5.5.110.0070.08020.25
5.5.100.0200.07320.05
5.5.90.0070.07020.11
5.5.80.0170.07020.09
5.5.70.0130.04320.03
5.5.60.0130.07020.14
5.5.50.0130.06720.09
5.5.40.0100.08320.14
5.5.30.0100.06720.05
5.5.20.0070.04020.13
5.5.10.0070.04719.97
5.5.00.0070.07320.01
5.4.450.0070.08319.56
5.4.440.0100.07719.36
5.4.430.0070.06019.43
5.4.420.0000.08719.46
5.4.410.0170.07319.27
5.4.400.0200.07019.13
5.4.390.0070.06319.03
5.4.380.0230.04319.03
5.4.370.0130.07019.07
5.4.360.0100.06318.96
5.4.350.0130.05319.02
5.4.340.0130.05718.82
5.4.320.0030.08318.79
5.4.310.0070.07319.03
5.4.300.0100.06319.11
5.4.290.0100.04318.95
5.4.280.0070.07719.03
5.4.270.0100.04019.14
5.4.260.0100.06319.07
5.4.250.0170.06319.07
5.4.240.0070.04319.05
5.4.230.0030.06319.03
5.4.220.0130.07318.75
5.4.210.0100.04319.02
5.4.200.0100.06318.89
5.4.190.0070.06719.03
5.4.180.0070.07719.09
5.4.170.0000.08319.09
5.4.160.0100.07018.77
5.4.150.0070.07718.92
5.4.140.0100.06316.29
5.4.130.0070.07016.34
5.4.120.0070.06016.37
5.4.110.0230.05716.50
5.4.100.0070.06716.41
5.4.90.0170.05716.27
5.4.80.0100.03716.48
5.4.70.0070.07016.19
5.4.60.0000.07316.32
5.4.50.0070.05716.25
5.4.40.0070.06716.29
5.4.30.0030.08016.20
5.4.20.0070.07016.40
5.4.10.0070.04716.28
5.4.00.0030.04015.76
5.3.290.0100.07014.57
5.3.280.0100.07314.45
5.3.270.0000.07314.62
5.3.260.0100.04314.46
5.3.250.0030.06014.57
5.3.240.0070.04314.54
5.3.230.0130.06314.59
5.3.220.0030.04314.50
5.3.210.0000.08314.42
5.3.200.0100.07014.55
5.3.190.0030.07314.59
5.3.180.0070.07314.42
5.3.170.0100.06714.52
5.3.160.0130.07014.55
5.3.150.0070.07314.52
5.3.140.0030.07314.56
5.3.130.0100.07014.50
5.3.120.0100.07314.55
5.3.110.0000.05014.54
5.3.100.0070.07013.95
5.3.90.0070.07313.84
5.3.80.0030.06314.00
5.3.70.0070.07714.01
5.3.60.0030.05313.86
5.3.50.0030.07713.93
5.3.40.0100.07013.88
5.3.30.0130.06313.84
5.3.20.0070.06713.68
5.3.10.0100.07013.57
5.3.00.0130.05013.59
5.2.170.0030.03711.17
5.2.160.0070.06011.18
5.2.150.0000.04011.13
5.2.140.0030.06311.19
5.2.130.0030.04311.11
5.2.120.0070.05710.89
5.2.110.0030.04311.09
5.2.100.0070.06011.10
5.2.90.0030.06310.96
5.2.80.0070.06011.05
5.2.70.0130.05711.09
5.2.60.0070.06011.09
5.2.50.0070.05711.01
5.2.40.0070.06011.04
5.2.30.0070.05710.84
5.2.20.0030.05710.83
5.2.10.0100.05310.78
5.2.00.0070.04010.75
5.1.60.0070.05010.07
5.1.50.0030.04310.07
5.1.40.0070.04310.07
5.1.30.0000.06010.31
5.1.20.0000.06010.39
5.1.10.0130.04710.12
5.1.00.0100.04310.13
5.0.50.0070.03710.07
5.0.40.0030.04310.07
5.0.30.0100.03010.07
5.0.20.0100.04010.07
5.0.10.0100.03710.07
5.0.00.0100.04010.07
4.4.90.0000.04010.07
4.4.80.0030.03310.07
4.4.70.0000.04010.07
4.4.60.0000.03710.07
4.4.50.0100.02310.07
4.4.40.0000.05310.07
4.4.30.0030.03310.07
4.4.20.0000.02310.07
4.4.10.0070.01710.07
4.4.00.0070.05010.07
4.3.110.0070.02710.07
4.3.100.0000.03310.07
4.3.90.0100.02710.07
4.3.80.0030.05010.07
4.3.70.0000.03310.07
4.3.60.0000.02710.07
4.3.50.0000.02310.07
4.3.40.0100.04710.07
4.3.30.0000.03310.07
4.3.20.0000.03010.07
4.3.10.0030.03310.07
4.3.00.0030.03010.07

preferences:
48.71 ms | 401 KiB | 5 Q