3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $timeStart = microtime(true); $rand = substr(str_shuffle('a-Z strings'), 5, 5); $timeEnd = microtime(true); $time = $timeEnd - $timeStart; echo "Code 1: $time seconds\n"; $timeStart = microtime(true); for ($i = 0; $i <= 5; ++$i) { $rand .= chr(rand(99, 155)); } $timeEnd = microtime(true); $time = $timeEnd - $timeStart; echo "Code 2: $time seconds\n";
Output for 7.3.1
Code 1: 6.9141387939453E-6 seconds Code 2: 7.8678131103516E-6 seconds
Output for 7.3.0
Code 1: 1.1920928955078E-5 seconds Code 2: 7.1525573730469E-6 seconds
Output for 7.2.13
Code 1: 1.5974044799805E-5 seconds Code 2: 9.0599060058594E-6 seconds
Output for 7.2.12
Code 1: 1.4781951904297E-5 seconds Code 2: 9.0599060058594E-6 seconds
Output for 7.2.11
Code 1: 1.215934753418E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.2.12, 5.3.8, 7.2.10
Code 1: 1.5020370483398E-5 seconds Code 2: 6.9141387939453E-6 seconds
Output for 5.5.27, 7.2.9
Code 1: 1.1920928955078E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 7.2.8
Code 1: 1.2874603271484E-5 seconds Code 2: 7.1525573730469E-6 seconds
Output for 7.2.7
Code 1: 1.6927719116211E-5 seconds Code 2: 1.1920928955078E-5 seconds
Output for 7.2.3 - 7.2.4, 7.2.6
Code 1: 1.6927719116211E-5 seconds Code 2: 9.0599060058594E-6 seconds
Output for 7.2.5
Code 1: 2.4080276489258E-5 seconds Code 2: 1.0013580322266E-5 seconds
Output for 7.2.2
Code 1: 1.215934753418E-5 seconds Code 2: 6.9141387939453E-6 seconds
Output for 7.2.1
Code 1: 1.9073486328125E-5 seconds Code 2: 1.0967254638672E-5 seconds
Output for 7.2.0
Code 1: 1.215934753418E-5 seconds Code 2: 7.8678131103516E-6 seconds
Output for 5.3.10, 5.4.12, 5.4.28, 5.5.33, 7.1.25
Code 1: 7.8678131103516E-6 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.4.3, 5.4.8, 5.4.11, 5.4.18, 5.4.20, 5.4.26, 5.5.11, 5.5.13, 5.5.18, 5.5.24, 5.5.26, 5.6.8, 5.6.12, 5.6.15, 7.1.1, 7.1.7
Code 1: 9.0599060058594E-6 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.4.30, 5.5.32, 7.1.6
Code 1: 1.0013580322266E-5 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.3.12, 5.3.15, 7.1.5
Code 1: 6.9141387939453E-6 seconds Code 2: 5.0067901611328E-6 seconds
Output for 7.0.2, 7.1.4
Code 1: 7.1525573730469E-6 seconds Code 2: 2.8610229492188E-6 seconds
Output for 5.3.28, 7.0.9, 7.1.3
Code 1: 6.9141387939453E-6 seconds Code 2: 3.0994415283203E-6 seconds
Output for 5.3.1, 5.4.9, 5.4.27, 5.4.31, 5.4.42, 5.5.0, 5.5.34, 5.6.27, 7.1.2
Code 1: 1.0013580322266E-5 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.6.13, 5.6.25, 7.1.0
Code 1: 7.8678131103516E-6 seconds Code 2: 3.0994415283203E-6 seconds
Output for 5.3.22, 5.6.4, 7.0.20
Code 1: 1.0967254638672E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.3.9, 5.3.19, 7.0.19
Code 1: 7.8678131103516E-6 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.3.25, 5.4.14, 5.6.7, 7.0.18
Code 1: 9.0599060058594E-6 seconds Code 2: 5.0067901611328E-6 seconds
Output for 7.0.17
Code 1: 1.215934753418E-5 seconds Code 2: 8.1062316894531E-6 seconds
Output for 7.0.16
Code 1: 8.8214874267578E-6 seconds Code 2: 2.8610229492188E-6 seconds
Output for 5.4.7, 5.5.8, 7.0.15
Code 1: 1.1920928955078E-5 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.3.2, 5.4.16, 5.6.0, 5.6.6, 7.0.14
Code 1: 1.0967254638672E-5 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.5.3, 7.0.13
Code 1: 1.0967254638672E-5 seconds Code 2: 7.1525573730469E-6 seconds
Output for 7.0.12
Code 1: 9.0599060058594E-6 seconds Code 2: 6.9141387939453E-6 seconds
Output for 7.0.11
Code 1: 8.1062316894531E-6 seconds Code 2: 2.8610229492188E-6 seconds
Output for 7.0.10
Code 1: 7.8678131103516E-6 seconds Code 2: 6.1988830566406E-6 seconds
Output for 7.0.8
Code 1: 6.9141387939453E-6 seconds Code 2: 2.1457672119141E-6 seconds
Output for 7.0.7
Code 1: 1.3828277587891E-5 seconds Code 2: 1.9073486328125E-6 seconds
Output for 7.0.6
Code 1: 1.2874603271484E-5 seconds Code 2: 2.8610229492188E-6 seconds
Output for 7.0.5
Code 1: 7.1525573730469E-6 seconds Code 2: 3.0994415283203E-6 seconds
Output for 7.0.4
Code 1: 7.1525573730469E-6 seconds Code 2: 2.1457672119141E-6 seconds
Output for 7.0.3
Code 1: 1.0967254638672E-5 seconds Code 2: 2.8610229492188E-6 seconds
Output for 7.0.1
Code 1: 8.1062316894531E-6 seconds Code 2: 2.1457672119141E-6 seconds
Output for 7.0.0
Code 1: 6.9141387939453E-6 seconds Code 2: 2.8610229492188E-6 seconds
Output for hhvm-3.17.3
Code 1: 0.00013017654418945 seconds Code 2: 1.9073486328125E-5 seconds
Output for hhvm-3.15.4
Code 1: 9.0122222900391E-5 seconds Code 2: 1.2874603271484E-5 seconds
Output for hhvm-3.13.2
Code 1: 0.0001530647277832 seconds Code 2: 1.1920928955078E-5 seconds
Output for hhvm-3.12.14
Code 1: 0.00011396408081055 seconds Code 2: 9.0599060058594E-6 seconds
Output for hhvm-3.11.1
Code 1: 0.00010395050048828 seconds Code 2: 0.025439023971558 seconds
Output for hhvm-3.10.1
Code 1: 0.00010585784912109 seconds Code 2: 8.8214874267578E-6 seconds
Output for 5.6.30
Code 1: 1.4066696166992E-5 seconds Code 2: 7.8678131103516E-6 seconds
Output for 5.4.32, 5.6.29
Code 1: 1.0013580322266E-5 seconds Code 2: 3.0994415283203E-6 seconds
Output for 5.4.5, 5.4.17, 5.4.21, 5.5.21, 5.6.28
Code 1: 9.0599060058594E-6 seconds Code 2: 2.8610229492188E-6 seconds
Output for 5.3.11, 5.3.14, 5.3.23, 5.6.26
Code 1: 6.9141387939453E-6 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.5.7, 5.6.24
Code 1: 1.3113021850586E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.6.23
Code 1: 1.1920928955078E-5 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.5.10, 5.6.5, 5.6.22
Code 1: 1.0013580322266E-5 seconds Code 2: 2.8610229492188E-6 seconds
Output for 5.6.21
Code 1: 6.9141387939453E-6 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.6.20
Code 1: 1.1205673217773E-5 seconds Code 2: 2.8610229492188E-6 seconds
Output for 5.4.4, 5.6.19
Code 1: 9.0599060058594E-6 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.4.22, 5.4.35, 5.4.45, 5.5.2, 5.5.23, 5.6.18
Code 1: 8.8214874267578E-6 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.5.14, 5.5.36, 5.6.17
Code 1: 8.1062316894531E-6 seconds Code 2: 3.0994415283203E-6 seconds
Output for 5.4.13, 5.6.16
Code 1: 1.4066696166992E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.4.1, 5.5.15, 5.6.2, 5.6.14
Code 1: 8.1062316894531E-6 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.3.6, 5.6.11
Code 1: 1.215934753418E-5 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.6.10
Code 1: 1.1205673217773E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.6.9
Code 1: 1.3113021850586E-5 seconds Code 2: 6.1988830566406E-6 seconds
Output for 5.6.3
Code 1: 1.1205673217773E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.3.24, 5.4.36, 5.5.31, 5.5.38, 5.6.1
Code 1: 8.1062316894531E-6 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.2.13, 5.4.38, 5.5.19, 5.5.35, 5.5.37
Code 1: 1.1920928955078E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.5.30
Code 1: 8.8214874267578E-6 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.5.29
Code 1: 1.5020370483398E-5 seconds Code 2: 3.0994415283203E-6 seconds
Output for 5.5.28
Code 1: 1.2874603271484E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.5.25
Code 1: 1.4066696166992E-5 seconds Code 2: 6.1988830566406E-6 seconds
Output for 5.3.0, 5.5.22
Code 1: 1.0013580322266E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.4.40, 5.5.20
Code 1: 1.2874603271484E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.4.0, 5.4.15, 5.4.19, 5.4.23 - 5.4.25, 5.5.4 - 5.5.5, 5.5.12, 5.5.16
Code 1: 9.0599060058594E-6 seconds Code 2: 3.0994415283203E-6 seconds
Output for 5.4.10, 5.5.9
Code 1: 1.3113021850586E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.2.5, 5.5.6
Code 1: 1.6927719116211E-5 seconds Code 2: 7.1525573730469E-6 seconds
Output for 5.2.16, 5.5.1
Code 1: 1.0967254638672E-5 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.4.44
Code 1: 1.4066696166992E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.4.43
Code 1: 1.6927719116211E-5 seconds Code 2: 1.0013580322266E-5 seconds
Output for 5.4.41
Code 1: 1.5020370483398E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.4.39
Code 1: 1.5974044799805E-5 seconds Code 2: 6.1988830566406E-6 seconds
Output for 5.3.5, 5.4.37
Code 1: 1.0013580322266E-5 seconds Code 2: 6.1988830566406E-6 seconds
Output for 5.4.34
Code 1: 1.5974044799805E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.2.3, 5.2.8 - 5.2.9, 5.4.29
Code 1: 1.0967254638672E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.2.15, 5.3.7, 5.4.6
Code 1: 1.5020370483398E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.4.2
Code 1: 1.0967254638672E-5 seconds Code 2: 6.1988830566406E-6 seconds
Output for 5.3.29
Code 1: 1.0967254638672E-5 seconds Code 2: 6.9141387939453E-6 seconds
Output for 5.3.27
Code 1: 7.1525573730469E-6 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.3.26
Code 1: 9.2983245849609E-5 seconds Code 2: 7.8678131103516E-6 seconds
Output for 5.3.21
Code 1: 1.5020370483398E-5 seconds Code 2: 7.1525573730469E-6 seconds
Output for 5.3.20
Code 1: 7.8678131103516E-6 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.3.18
Code 1: 3.2186508178711E-5 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.3.17
Code 1: 7.1525573730469E-6 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.3.16
Code 1: 8.1062316894531E-6 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.3.13
Code 1: 1.1205673217773E-5 seconds Code 2: 7.1525573730469E-6 seconds
Output for 5.3.4
Code 1: 1.4066696166992E-5 seconds Code 2: 7.1525573730469E-6 seconds
Output for 5.3.3
Code 1: 1.0013580322266E-5 seconds Code 2: 5.9604644775391E-6 seconds
Output for 5.2.7, 5.2.17
Code 1: 1.1205673217773E-5 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.2.14
Code 1: 1.5974044799805E-5 seconds Code 2: 6.9141387939453E-6 seconds
Output for 5.2.11
Code 1: 1.215934753418E-5 seconds Code 2: 3.814697265625E-6 seconds
Output for 5.2.10
Code 1: 3.504753112793E-5 seconds Code 2: 4.0531158447266E-6 seconds
Output for 5.2.4, 5.2.6
Code 1: 1.215934753418E-5 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.2.2
Code 1: 5.9604644775391E-6 seconds Code 2: 5.0067901611328E-6 seconds
Output for 5.1.4, 5.2.1
Code 1: 1.0013580322266E-05 seconds Code 2: 6.9141387939453E-06 seconds
Output for 5.2.0
Code 1: 1.9073486328125E-05 seconds Code 2: 7.8678131103516E-06 seconds
Output for 5.1.6
Code 1: 9.0599060058594E-06 seconds Code 2: 5.9604644775391E-06 seconds
Output for 5.1.3, 5.1.5
Code 1: 5.9604644775391E-06 seconds Code 2: 5.0067901611328E-06 seconds
Output for 5.0.3, 5.1.2
Code 1: 7.1525573730469E-06 seconds Code 2: 5.0067901611328E-06 seconds
Output for 5.1.1
Code 1: 6.9141387939453E-06 seconds Code 2: 5.0067901611328E-06 seconds
Output for 5.1.0
Code 1: 1.0013580322266E-05 seconds Code 2: 8.1062316894531E-06 seconds
Output for 5.0.4 - 5.0.5
Code 1: 1.0013580322266E-05 seconds Code 2: 9.0599060058594E-06 seconds
Output for 5.0.2
Code 1: 6.9141387939453E-06 seconds Code 2: 5.9604644775391E-06 seconds
Output for 5.0.1
Code 1: 1.0967254638672E-05 seconds Code 2: 1.0013580322266E-05 seconds
Output for 5.0.0
Code 1: 6.9141387939453E-06 seconds Code 2: 4.7683715820312E-06 seconds
Output for 4.4.9
Code 1: 1.9E-05 seconds Code 2: 1.1E-05 seconds
Output for 4.4.0, 4.4.3, 4.4.6, 4.4.8
Code 1: 1.2E-05 seconds Code 2: 6E-06 seconds
Output for 4.4.7
Code 1: 1.5E-05 seconds Code 2: 8E-06 seconds
Output for 4.4.5
Code 1: 1.8E-05 seconds Code 2: 1.2E-05 seconds
Output for 4.4.4
Code 1: 1.4E-05 seconds Code 2: 7E-06 seconds
Output for 4.4.2
Code 1: 1.5E-05 seconds Code 2: 7E-06 seconds
Output for 4.4.1
Code 1: 2.3E-05 seconds Code 2: 1.7E-05 seconds
Output for 4.3.11
Code 1: 1.5E-05 seconds Code 2: 1.2E-05 seconds
Output for 4.3.10
Code 1: 2.1E-05 seconds Code 2: 1.1E-05 seconds
Output for 4.3.9
Code 1: 2.4E-05 seconds Code 2: 1.2E-05 seconds
Output for 4.3.8
Code 1: 1.5E-05 seconds Code 2: 6E-06 seconds
Output for 4.3.7
Code 1: 1.8E-05 seconds Code 2: 7E-06 seconds
Output for 4.3.6
Code 1: 2.3E-05 seconds Code 2: 1.1E-05 seconds
Output for 4.3.5
Code 1: 2.2E-05 seconds Code 2: 1.1E-05 seconds
Output for 4.3.4
Code 1: 1.5E-05 seconds Code 2: 1.1E-05 seconds
Output for 4.3.3
Code 1: 1.9E-05 seconds Code 2: 1.5E-05 seconds
Output for 4.3.2
Code 1: 1.9E-05 seconds Code 2: 2.4E-05 seconds
Output for 4.3.1
Code 1: 1.9E-05 seconds Code 2: 2.5E-05 seconds
Output for 4.3.0
Code 1: 1.7E-05 seconds Code 2: 2.3E-05 seconds