3v4l.org

run code in 300+ PHP versions simultaneously
<?php function highlight($text, $words) { preg_match_all ( '~[\w\'\"]+~', $words, $m ); if (! $m) return $text; $re = '~\\b(' . implode ( '|', $m [0] ) . ')\\b~i'; return preg_replace ( $re, '<em>$0</em>', $text ); } $text = "this is Mechanic's test"; $word = "Mechanic's"; echo highlight($text,$word); $text = 'this is Mechanic"s test'; $word = 'Mechanic"s'; echo "\n".highlight($text,$word); $text = 'this is Mechanics test'; $word = 'Mech'; echo "\n".highlight($text,$word); echo "\n".str_replace($word,"<em>$word</em>",$text) ;

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)
8.3.70.0100.00618.43
8.3.60.0000.01516.59
8.3.50.0100.00716.57
8.3.40.0070.01119.06
8.3.30.0130.00318.96
8.3.20.0040.00420.32
8.3.10.0050.00323.70
8.3.00.0030.00619.63
8.2.180.0070.01416.50
8.2.170.0070.00722.96
8.2.160.0130.00720.47
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00021.07
8.2.120.0030.00726.35
8.2.110.0070.00320.35
8.2.100.0030.00918.03
8.2.90.0040.00419.29
8.2.80.0000.00919.33
8.2.70.0030.00517.75
8.2.60.0030.00517.80
8.2.50.0000.00718.10
8.2.40.0040.00422.45
8.2.30.0030.00619.33
8.2.20.0080.00018.27
8.2.10.0030.00618.16
8.2.00.0060.00318.15
8.1.280.0070.00725.92
8.1.270.0080.00022.19
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00322.64
8.1.230.0080.00419.61
8.1.220.0000.00817.77
8.1.210.0060.00318.77
8.1.200.0000.01017.25
8.1.190.0060.00317.23
8.1.180.0040.00419.30
8.1.170.0060.00318.61
8.1.160.0000.00719.12
8.1.150.0070.00018.74
8.1.140.0050.00319.53
8.1.130.0050.00518.78
8.1.120.0040.00417.53
8.1.110.0030.00617.65
8.1.100.0040.00417.61
8.1.90.0070.00317.57
8.1.80.0000.00817.51
8.1.70.0040.00417.64
8.1.60.0050.00317.72
8.1.50.0040.00417.69
8.1.40.0040.00417.73
8.1.30.0000.00817.84
8.1.20.0030.00917.88
8.1.10.0050.00217.73
8.1.00.0050.00317.54
8.0.300.0060.00318.77
8.0.290.0080.00016.75
8.0.280.0070.00018.40
8.0.270.0040.00417.29
8.0.260.0030.00616.88
8.0.250.0020.00517.00
8.0.240.0020.00517.00
8.0.230.0000.00817.00
8.0.220.0000.00717.07
8.0.210.0030.00317.09
8.0.200.0050.00217.16
8.0.190.0110.00017.11
8.0.180.0030.00517.07
8.0.170.0020.00517.11
8.0.160.0000.00717.08
8.0.150.0000.00716.88
8.0.140.0070.00316.91
8.0.130.0000.00613.52
8.0.120.0000.00717.08
8.0.110.0000.00816.90
8.0.100.0000.00717.09
8.0.90.0040.00416.91
8.0.80.0100.00717.04
8.0.70.0040.00416.93
8.0.60.0030.00517.05
8.0.50.0000.00817.04
8.0.30.0110.00817.40
8.0.20.0100.00917.40
8.0.10.0040.00417.05
8.0.00.0090.00917.24
7.4.330.0000.00615.55
7.4.320.0070.00016.72
7.4.300.0030.00316.63
7.4.290.0070.00016.74
7.4.280.0070.00016.80
7.4.270.0030.00316.73
7.4.260.0000.00713.44
7.4.250.0000.00816.74
7.4.240.0060.00316.84
7.4.230.0000.00816.91
7.4.220.0120.00616.77
7.4.210.0090.00616.84
7.4.200.0030.00516.71
7.4.160.0110.00516.71
7.4.150.0100.01017.40
7.4.140.0100.01117.86
7.4.130.0090.00916.85
7.4.120.0100.00816.73
7.4.110.0090.00916.77
7.4.100.0130.00316.63
7.4.90.0100.00716.76
7.4.80.0090.00819.39
7.4.70.0120.00316.79
7.4.60.0080.00816.64
7.4.50.0030.01016.79
7.4.40.0030.01316.88
7.4.30.0000.01616.60
7.4.10.0100.00315.11
7.4.00.0090.01015.13
7.3.330.0080.00013.46
7.3.320.0000.00513.43
7.3.310.0070.00016.50
7.3.300.0000.00616.44
7.3.290.0030.00316.46
7.3.280.0070.00816.48
7.3.270.0150.00317.40
7.3.260.0150.00516.72
7.3.250.0080.01216.69
7.3.240.0090.00816.42
7.3.230.0110.00716.57
7.3.210.0120.00616.55
7.3.200.0070.01116.79
7.3.190.0090.00616.75
7.3.180.0030.01316.75
7.3.170.0050.01116.78
7.3.160.0090.00616.81
7.3.130.0070.01315.02
7.3.120.0080.00914.99
7.3.110.0030.01315.06
7.3.100.0080.00814.84
7.3.90.0090.00615.00
7.3.80.0020.01115.09
7.3.70.0070.00614.86
7.3.60.0090.00314.99
7.3.50.0080.00614.84
7.3.40.0080.00314.89
7.3.30.0050.00815.00
7.3.20.0060.00616.78
7.3.10.0100.00416.92
7.3.00.0080.00616.93
7.2.330.0140.00416.74
7.2.320.0100.00716.91
7.2.310.0100.00616.87
7.2.300.0030.01416.92
7.2.290.0040.01316.84
7.2.260.0120.00314.92
7.2.250.0140.00415.34
7.2.240.0090.00715.10
7.2.230.0060.00915.23
7.2.220.0070.01215.30
7.2.210.0050.00815.12
7.2.200.0050.00715.25
7.2.190.0070.00915.35
7.2.180.0070.00515.18
7.2.170.0050.00615.29
7.2.160.0030.01215.28
7.2.150.0070.00417.23
7.2.140.0180.00017.22
7.2.130.0080.00616.92
7.2.120.0050.01017.16
7.2.110.0110.00517.03
7.2.100.0060.00917.00
7.2.90.0080.00816.99
7.2.80.0130.00417.09
7.2.70.0100.00817.07
7.2.60.0050.00817.13
7.2.50.0060.00917.12
7.2.40.0110.00817.04
7.2.30.0100.00617.22
7.2.20.0110.00717.08
7.2.10.0150.00917.08
7.2.00.0120.00717.71
7.1.330.0080.00615.96
7.1.320.0050.00515.96
7.1.310.0050.00916.04
7.1.300.0040.00916.07
7.1.290.0050.00915.98
7.1.280.0050.00716.07
7.1.270.0030.00916.11
7.1.260.0070.00915.92
7.1.250.0030.01015.85
7.1.240.0040.01116.00
7.1.230.0200.00616.04
7.1.220.0160.00416.11
7.1.210.0140.00515.87
7.1.200.0080.00616.00
7.1.190.0110.01215.92
7.1.180.0130.00515.84
7.1.170.0130.01115.97
7.1.160.0100.00515.92
7.1.150.0120.00816.07
7.1.140.0120.00716.09
7.1.130.0030.01115.84
7.1.120.0080.01515.68
7.1.110.0100.00515.89
7.1.100.0100.00516.74
7.1.90.0130.00915.91
7.1.80.0220.00916.10
7.1.70.0190.00616.31
7.1.60.0220.00316.43
7.1.50.0150.00516.57
7.1.40.0170.00616.19
7.1.30.0140.00816.38
7.1.20.0160.00416.37
7.1.10.0250.00616.40
7.1.00.0050.01116.25
7.0.330.0060.00715.44
7.0.320.0060.00615.34
7.0.310.0160.00515.49
7.0.300.0140.00615.52
7.0.290.0110.00515.51
7.0.280.0140.00515.56
7.0.270.0120.00515.55
7.0.260.0150.00515.44
7.0.250.0110.00315.67
7.0.240.0110.00715.44
7.0.230.0310.00615.59
7.0.220.0110.01215.54
7.0.210.0190.01115.74
7.0.200.0030.00915.99
7.0.190.0140.00616.13
7.0.180.0120.00415.67
7.0.170.0110.00615.71
7.0.160.0140.00415.94
7.0.150.0090.00715.92
7.0.140.0110.00316.03
7.0.130.0080.00715.92
7.0.120.0100.01216.10
7.0.110.0090.00815.89
7.0.100.0110.00815.85
7.0.90.0130.00815.93
7.0.80.0140.00715.90
7.0.70.0170.00515.92
7.0.60.0160.00515.82
7.0.50.0160.00315.83
7.0.40.0080.00514.06
7.0.30.0080.00614.04
7.0.20.0120.00214.06
7.0.10.0070.00814.08
7.0.00.0040.00614.04
5.6.400.0070.00314.16
5.6.390.0060.00314.54
5.6.380.0140.00414.74
5.6.370.0040.01214.52
5.6.360.0030.00914.54
5.6.350.0040.01214.36
5.6.340.0070.00714.43
5.6.330.0030.01114.63
5.6.320.0040.01114.04
5.6.310.0090.00614.73
5.6.300.0090.00314.50
5.6.290.0060.00914.89
5.6.280.0040.00814.78
5.6.270.0030.00914.64
5.6.260.0000.01214.53
5.6.250.0070.00714.23
5.6.240.0040.00814.33
5.6.230.0070.00714.76
5.6.220.0090.00314.46
5.6.210.0000.01414.37
5.6.200.0090.00614.25
5.6.190.0030.01014.39
5.6.180.0070.01014.47
5.6.170.0070.01014.59
5.6.160.0040.01014.41
5.6.150.0000.01114.30
5.6.140.0070.00714.30
5.6.130.0060.01214.61
5.6.120.0030.00614.75
5.6.110.0070.00714.22
5.6.100.0060.00614.50
5.6.90.0000.01114.11
5.6.80.0110.00714.31
5.6.70.0090.00914.52
5.6.60.0080.00814.37
5.6.50.0110.00714.20
5.6.40.0130.00014.32
5.6.30.0060.00614.54
5.6.20.0000.01214.55
5.6.10.0080.00414.29
5.6.00.0030.00614.39

preferences:
52.77 ms | 401 KiB | 5 Q