3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(); $b=null; $e=null; $l=100; $i=0; while($i++ < $l){ $b=microtime(true); $e=microtime(true); $a[] = $b - $e; } var_dump(array_sum($a) / count($a));
Output for 7.3.0
float(-4.8637390136719E-7)
Output for 7.2.13
float(-8.5830688476562E-8)
Output for 7.0.3, 7.0.32, 7.2.12
float(-6.9141387939453E-8)
Output for 5.6.10, 7.0.33, 7.1.11, 7.1.24, 7.2.9, 7.2.11
float(-1.6927719116211E-7)
Output for 5.5.25, 7.2.6 - 7.2.7, 7.2.10
float(-1.0967254638672E-7)
Output for 5.6.7, 7.1.8, 7.2.8
float(-1.6212463378906E-7)
Output for 7.2.5
float(-1.7642974853516E-7)
Output for 7.1.23, 7.2.4
float(-1.978874206543E-7)
Output for 7.2.3
float(-6.6757202148438E-8)
Output for 7.2.2
float(-1.3589859008789E-7)
Output for 7.0.18, 7.0.21, 7.2.1
float(-1.215934753418E-7)
Output for 7.0.8, 7.0.11, 7.2.0
float(-9.2983245849609E-8)
Output for 7.1.5, 7.1.9, 7.1.25
float(-1.3828277587891E-7)
Output for 5.5.7, 5.5.31, 5.6.13, 7.1.22
float(-2.5033950805664E-7)
Output for 7.1.21
float(-3.504753112793E-7)
Output for 5.2.2, 5.5.35, 7.1.20
float(-1.835823059082E-7)
Output for 7.1.15, 7.1.19
float(-2.6702880859375E-7)
Output for 5.5.27, 7.1.18
float(-3.0755996704102E-7)
Output for 7.1.1, 7.1.17
float(-1.1920928955078E-7)
Output for 7.0.15, 7.1.16
float(-1.5735626220703E-7)
Output for 5.4.4, 5.4.11, 7.1.14
float(-2.6941299438477E-7)
Output for 7.1.13
float(-6.7949295043945E-7)
Output for 7.1.12
float(-1.9550323486328E-7)
Output for 7.1.10
float(-9.0599060058594E-8)
Output for 5.4.30, 7.1.7
float(-6.6041946411133E-7)
Output for 7.1.6
float(-3.3378601074219E-7)
Output for 7.0.27, 7.1.4
float(-1.2636184692383E-7)
Output for 5.4.1, 7.1.3
float(-2.0265579223633E-7)
Output for 7.1.2
float(-1.4543533325195E-7)
Output for 5.6.22, 7.0.9, 7.0.12, 7.1.0
float(-1.2874603271484E-7)
Output for 5.5.22, 7.0.4, 7.0.31
float(-1.5020370483398E-7)
Output for 5.1.2, 7.0.30
float(-4.2200088500977E-7)
Output for 5.5.30, 7.0.29
float(-8.1062316894531E-8)
Output for 5.2.0, 5.5.32, 7.0.28
float(-2.2649765014648E-7)
Output for 5.6.15, 7.0.26
float(-2.0742416381836E-7)
Output for 7.0.25
float(-1.4305114746094E-7)
Output for 7.0.22, 7.0.24
float(-1.3351440429688E-7)
Output for 7.0.23
float(-1.1205673217773E-7)
Output for 7.0.0, 7.0.20
float(-1.5974044799805E-7)
Output for 7.0.19
float(-2.1457672119141E-7)
Output for 7.0.17
float(-2.2411346435547E-7)
Output for 5.5.1, 7.0.6, 7.0.16
float(-1.8596649169922E-7)
Output for 5.5.12, 7.0.14
float(-2.5749206542969E-7)
Output for 7.0.13
float(-1.3113021850586E-7)
Output for 5.4.2, 7.0.10
float(-9.7751617431641E-8)
Output for 7.0.7
float(-2.0027160644531E-7)
Output for 7.0.5
float(-1.2397766113281E-7)
Output for 7.0.2
float(-1.52587890625E-7)
Output for 7.0.1
float(-1.072883605957E-7)
Output for 5.5.14, 5.5.21, 5.6.38
float(-2.7179718017578E-7)
Output for 5.6.37
float(-2.7894973754883E-7)
Output for 5.4.14, 5.6.9, 5.6.36
float(-2.1934509277344E-7)
Output for 5.6.35
float(-1.7404556274414E-7)
Output for 5.4.34, 5.6.34
float(-2.6226043701172E-7)
Output for 5.5.4, 5.6.33
float(-3.814697265625E-7)
Output for 5.5.5, 5.6.32
float(-2.8133392333984E-7)
Output for 5.1.3, 5.4.31, 5.5.6, 5.6.31
float(-2.8848648071289E-7)
Output for 5.6.30
float(-1.8119812011719E-7)
Output for 5.6.29
float(-1.4781951904297E-7)
Output for 5.5.10, 5.6.19, 5.6.28
float(-2.741813659668E-7)
Output for 5.6.27
float(-3.0994415283203E-7)
Output for 5.5.18, 5.6.26
float(-2.3841857910156E-7)
Output for 5.4.12, 5.5.17, 5.6.4, 5.6.25
float(-2.6464462280273E-7)
Output for 5.4.40, 5.5.15, 5.6.12, 5.6.16, 5.6.18, 5.6.24
float(-2.598762512207E-7)
Output for 5.4.29, 5.6.23
float(-2.9325485229492E-7)
Output for 5.6.21
float(-3.4332275390625E-7)
Output for 5.6.20
float(-1.7881393432617E-7)
Output for 5.4.0, 5.4.35, 5.6.17
float(-2.1696090698242E-7)
Output for 5.6.14
float(-4.7206878662109E-7)
Output for 5.6.11
float(-2.9802322387695E-7)
Output for 5.6.8
float(-4.5061111450195E-7)
Output for 5.6.6
float(-3.6478042602539E-7)
Output for 5.6.5
float(-7.8678131103516E-8)
Output for 5.6.3
float(-2.3365020751953E-7)
Output for 5.4.10, 5.6.2
float(-2.9563903808594E-7)
Output for 5.6.1
float(-2.0980834960938E-7)
Output for 5.4.25, 5.6.0
float(-2.1219253540039E-7)
Output for 5.5.38
float(-3.9577484130859E-7)
Output for 5.4.26, 5.4.41, 5.5.37
float(-2.8610229492187E-7)
Output for 5.4.33, 5.5.0, 5.5.36
float(-3.1709671020508E-7)
Output for 5.5.34
float(-4.6253204345703E-7)
Output for 5.5.33
float(-3.7431716918945E-7)
Output for 5.3.8, 5.4.8, 5.4.17, 5.5.29
float(-2.3126602172852E-7)
Output for 5.4.42, 5.5.28
float(-2.4795532226563E-7)
Output for 5.4.19, 5.4.43, 5.5.26
float(-2.0503997802734E-7)
Output for 5.5.24
float(-3.2901763916016E-7)
Output for 5.0.0, 5.5.19, 5.5.23
float(-3.6954879760742E-7)
Output for 5.5.20
float(-2.9087066650391E-7)
Output for 5.5.16
float(-2.5510787963867E-7)
Output for 5.4.38, 5.5.13
float(-2.4080276489258E-7)
Output for 5.5.11
float(-4.3630599975586E-7)
Output for 5.4.6, 5.5.9
float(-2.8371810913086E-7)
Output for 5.5.2, 5.5.8
float(-4.0292739868164E-7)
Output for 5.5.3
float(-3.9815902709961E-7)
Output for 5.4.45
float(-3.0279159545898E-7)
Output for 5.4.15, 5.4.22, 5.4.44
float(-2.4557113647461E-7)
Output for 5.4.39
float(-4.4345855712891E-7)
Output for 5.4.37
float(-1.9073486328125E-7)
Output for 5.1.5, 5.4.23, 5.4.36
float(-2.3603439331055E-7)
Output for 5.4.32
float(-5.3167343139648E-7)
Output for 5.4.28
float(-3.6239624023438E-7)
Output for 5.4.27
float(-1.4066696166992E-7)
Output for 5.4.24
float(-3.0040740966797E-7)
Output for 5.0.4, 5.4.21
float(-5.340576171875E-7)
Output for 5.4.16, 5.4.20
float(-4.124641418457E-7)
Output for 5.4.18
float(-5.1736831665039E-7)
Output for 5.4.13
float(-5.0067901611328E-7)
Output for 5.4.9
float(-5.9604644775391E-8)
Output for 5.1.6, 5.4.7
float(-3.5762786865234E-7)
Output for 5.4.5
float(-2.288818359375E-7)
Output for 5.4.3
float(-3.6716461181641E-7)
Output for 5.3.29
float(5.8889389038086E-7)
Output for 5.3.28
float(7.0095062255859E-7)
Output for 5.3.27
float(6.3419342041016E-7)
Output for 5.3.26
float(7.5101852416992E-7)
Output for 5.3.25
float(7.8678131103516E-7)
Output for 5.2.9, 5.3.12, 5.3.24
float(5.5789947509766E-7)
Output for 5.3.6, 5.3.23
float(7.0571899414062E-7)
Output for 5.3.22
float(4.0292739868164E-7)
Output for 5.3.21
float(5.2928924560547E-7)
Output for 5.3.20
float(6.556510925293E-7)
Output for 5.3.11, 5.3.19
float(7.2717666625977E-7)
Output for 5.3.2, 5.3.18
float(7.1048736572266E-7)
Output for 5.3.17
float(7.4863433837891E-7)
Output for 5.2.13, 5.3.16
float(6.2704086303711E-7)
Output for 5.3.15
float(5.4121017456055E-7)
Output for 5.3.14
float(7.3432922363281E-7)
Output for 5.3.13
float(4.7445297241211E-7)
Output for 5.3.10
float(6.3657760620117E-7)
Output for 5.3.9
float(7.0810317993164E-7)
Output for 5.3.3, 5.3.7
float(7.1287155151367E-7)
Output for 5.3.5
float(6.866455078125E-7)
Output for 5.3.4
float(7.5578689575195E-7)
Output for 5.3.1
float(6.0081481933594E-7)
Output for 5.3.0
float(5.5074691772461E-7)
Output for 5.2.17
float(3.3378601074219E-7)
Output for 5.2.3, 5.2.16
float(7.2002410888672E-7)
Output for 5.2.15
float(7.9870223999023E-7)
Output for 5.2.6, 5.2.14
float(6.7234039306641E-7)
Output for 5.2.12
float(6.7710876464844E-7)
Output for 5.2.11
float(5.8650970458984E-7)
Output for 5.2.10
float(6.413459777832E-7)
Output for 5.2.8
float(6.6518783569336E-7)
Output for 5.2.7
float(5.2213668823242E-7)
Output for 5.2.5
float(6.8902969360352E-7)
Output for 5.2.4
float(8.5592269897461E-7)
Output for 5.2.1
float(-3.4809112548828E-7)
Output for 5.1.4
float(-5.1975250244141E-7)
Output for 5.1.1
float(-3.1471252441406E-7)
Output for 5.1.0
float(-4.2438507080078E-7)
Output for 5.0.5
float(-4.9829483032227E-7)
Output for 5.0.3
float(-1.2922286987305E-6)
Output for 5.0.2
float(-9.7990036010742E-7)
Output for 5.0.1
float(-7.3909759521484E-7)
Output for 4.4.9
float(-1.74E-6)
Output for 4.4.8
float(-1.2E-6)
Output for 4.4.7
float(-9.1E-7)
Output for 4.4.6
float(-8.5E-7)
Output for 4.4.5
float(-1.27E-6)
Output for 4.4.4
float(-1.21E-6)
Output for 4.4.3
float(-1.6E-6)
Output for 4.3.6, 4.4.2
float(-2.02E-6)
Output for 4.4.1
float(-2.21E-6)
Output for 4.4.0
float(-2.01E-6)
Output for 4.3.11
float(-1.67E-6)
Output for 4.3.10
float(-1.3E-6)
Output for 4.3.9
float(-1.64E-6)
Output for 4.3.8
float(-1.72E-6)
Output for 4.3.7
float(-1.61E-6)
Output for 4.3.5
float(-1.9E-6)
Output for 4.3.4
float(-1.81E-6)
Output for 4.3.3
float(-8.7E-7)
Output for 4.3.2
float(-1.35E-6)
Output for 4.3.1
float(-9.7E-7)
Output for 4.3.0
float(-9.2E-7)

preferences:
181.97 ms | 401 KiB | 287 Q