3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $i=0;; while($i < 60000) { $i++; $data[md5($i)] = true; } $time = microtime(true); array_key_exists('notexistingkey', $data); $time = microtime(true) - $time; echo "Starting array_key_exists => $time\n"; isset($data['notexistingkey']); $time = microtime(true) - $time; echo "Starting isset => $time\n";
Output for 7.1.0
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0308
Output for 7.0.14
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0335
Output for 7.0.10
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0603
Output for 7.0.9
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0501
Output for 7.0.8
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0469
Output for 7.0.7
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0312
Output for 7.0.6
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0456
Output for 7.0.5
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0289
Output for 7.0.4
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.024
Output for 7.0.3
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0373
Output for 7.0.2
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0403
Output for 7.0.1
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0325
Output for 7.0.0
Starting array_key_exists => 1.1920928955078E-6 Starting isset => 1381997184.0432
Output for hhvm-3.12.0
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.2131
Output for hhvm-3.10.0
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.2229
Output for 5.6.28
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0506
Output for 5.6.25
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0503
Output for 5.6.24
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0447
Output for 5.6.23
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0357
Output for 5.6.22
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0439
Output for 5.3.3, 5.6.21
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0379
Output for 5.6.20
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0446
Output for 5.6.19
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0508
Output for 5.6.18
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0409
Output for 5.5.27, 5.6.15, 5.6.17
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0433
Output for 5.6.16
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0524
Output for 5.6.14
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0552
Output for 5.6.13
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0456
Output for 5.6.12
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0526
Output for 5.6.11
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0515
Output for 5.6.10
Starting array_key_exists => 5.0067901611328E-6 Starting isset => 1381997184.0465
Output for 5.6.9
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0442
Output for 5.6.8
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.04
Output for 5.6.7
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0503
Output for 5.6.6
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0514
Output for 5.6.5
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0406
Output for 5.6.4
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0517
Output for 5.4.44, 5.6.3
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0496
Output for 5.6.2
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0355
Output for 5.6.1
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0384
Output for 5.5.13, 5.6.0
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0496
Output for 5.5.38
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0486
Output for 5.5.37
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0481
Output for 5.5.36
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0376
Output for 5.5.35
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0662
Output for 5.3.28, 5.5.34
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0542
Output for 5.5.33
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0528
Output for 5.5.32
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0555
Output for 5.5.31
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0549
Output for 5.5.30
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0456
Output for 5.5.29
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0544
Output for 5.5.28
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0394
Output for 5.5.26
Starting array_key_exists => 5.0067901611328E-6 Starting isset => 1381997184.0508
Output for 5.5.25
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0426
Output for 5.5.20, 5.5.24
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0495
Output for 5.5.23
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0484
Output for 5.5.22
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0508
Output for 5.5.21
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0566
Output for 5.5.19
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0347
Output for 5.5.18
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0519
Output for 5.5.16
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0467
Output for 5.5.15
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0412
Output for 5.5.14
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0399
Output for 5.5.12
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.045
Output for 5.3.21, 5.5.11
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0461
Output for 5.5.10
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0414
Output for 5.5.9
Starting array_key_exists => 5.0067901611328E-6 Starting isset => 1381997184.0554
Output for 5.5.8
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0463
Output for 5.5.7
Starting array_key_exists => 5.0067901611328E-6 Starting isset => 1381997184.0552
Output for 5.5.6
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0471
Output for 5.5.5
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0547
Output for 5.5.4
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0519
Output for 5.5.3
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0432
Output for 5.5.2
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0369
Output for 5.5.1
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.04
Output for 5.5.0
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0395
Output for 5.4.45
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0462
Output for 5.4.43
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.049
Output for 5.4.42
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0352
Output for 5.4.41
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.053
Output for 5.2.7, 5.4.40
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0533
Output for 5.4.39
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0388
Output for 5.4.38
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0536
Output for 5.4.37
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0411
Output for 5.4.36
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0529
Output for 5.4.35
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0497
Output for 5.4.34
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0494
Output for 5.4.32
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0424
Output for 5.4.31
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0571
Output for 5.4.30
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0476
Output for 5.4.29
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0335
Output for 5.4.28
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0326
Output for 5.4.27
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0321
Output for 5.4.26
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.048
Output for 5.4.25
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0514
Output for 5.4.24
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0474
Output for 5.4.23
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0456
Output for 5.4.22
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0477
Output for 5.4.21
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0558
Output for 5.4.20
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0493
Output for 5.4.19
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.042
Output for 5.4.18
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0363
Output for 5.2.15, 5.4.17
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0419
Output for 5.4.16
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.052
Output for 5.4.15
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0475
Output for 5.4.14
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0336
Output for 5.4.13
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0432
Output for 5.4.12
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0338
Output for 5.4.11
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.037
Output for 5.4.10
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0332
Output for 5.4.9
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.031
Output for 5.4.8
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0389
Output for 5.4.7
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0347
Output for 5.4.6
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0399
Output for 5.4.5
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0371
Output for 5.4.4
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0382
Output for 5.4.3
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.035
Output for 5.4.2
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0318
Output for 5.4.1
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0346
Output for 5.4.0
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0346
Output for 5.3.29
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0638
Output for 5.3.27
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0482
Output for 5.3.26
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0441
Output for 5.3.25
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0485
Output for 5.3.24
Starting array_key_exists => 5.0067901611328E-6 Starting isset => 1381997184.0475
Output for 5.3.23
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0447
Output for 5.3.22
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0366
Output for 5.3.20
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0331
Output for 5.3.19
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0337
Output for 5.3.18
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0294
Output for 5.3.17
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0322
Output for 5.3.16
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0363
Output for 5.3.15
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0404
Output for 5.3.14
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.032
Output for 5.3.13
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0375
Output for 5.3.12
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0303
Output for 5.3.11
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0386
Output for 5.3.10
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0352
Output for 5.3.9
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0398
Output for 5.3.8
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0379
Output for 5.3.7
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0435
Output for 5.3.6
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0407
Output for 5.3.5
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.033
Output for 5.3.4
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0398
Output for 5.3.2
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0428
Output for 5.3.1
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0408
Output for 5.3.0
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0323
Output for 5.2.17
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0444
Output for 5.2.16
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0388
Output for 5.2.14
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0365
Output for 5.2.13
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.039
Output for 5.2.12
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0374
Output for 5.2.11
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0351
Output for 5.2.10
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0339
Output for 5.2.9
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0577
Output for 5.2.8
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0612
Output for 5.2.6
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0598
Output for 5.2.5
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0597
Output for 5.2.4
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0566
Output for 5.2.3
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0617
Output for 5.2.2
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.1333
Output for 5.2.1
Starting array_key_exists => 2.8610229492188E-06 Starting isset => 1381997184.1485
Output for 5.2.0
Starting array_key_exists => 2.8610229492188E-06 Starting isset => 1381997184.1429
Output for 5.1.6
Starting array_key_exists => 1.9073486328125E-06 Starting isset => 1381997184.1519
Output for 5.1.5
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1323
Output for 5.1.4
Starting array_key_exists => 4.0531158447266E-06 Starting isset => 1381997184.1469
Output for 5.1.3
Starting array_key_exists => 4.0531158447266E-06 Starting isset => 1381997184.1532
Output for 5.1.2
Starting array_key_exists => 3.814697265625E-06 Starting isset => 1381997184.1438
Output for 5.1.1
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1678
Output for 5.1.0
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1248
Output for 5.0.5
Starting array_key_exists => 3.814697265625E-06 Starting isset => 1381997184.1411
Output for 5.0.4
Starting array_key_exists => 2.1457672119141E-06 Starting isset => 1381997184.157
Output for 5.0.3
Starting array_key_exists => 2.8610229492188E-06 Starting isset => 1381997184.1677
Output for 5.0.2
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1649
Output for 5.0.1
Starting array_key_exists => 5.9604644775391E-06 Starting isset => 1381997184.1642
Output for 5.0.0
Starting array_key_exists => 4.0531158447266E-06 Starting isset => 1381997184.1446
Output for 4.4.9
Starting array_key_exists => 1.4999999999987E-05 Starting isset => 0.183598
Output for 4.4.8
Starting array_key_exists => 1.9999999999992E-05 Starting isset => 0.157826
Output for 4.4.7
Starting array_key_exists => 1.2999999999985E-05 Starting isset => 0.169271
Output for 4.4.6
Starting array_key_exists => 1.4000000000014E-05 Starting isset => 0.163253
Output for 4.4.5
Starting array_key_exists => 1.3999999999986E-05 Starting isset => 0.171243
Output for 4.4.4
Starting array_key_exists => 1.2999999999985E-05 Starting isset => 0.160866
Output for 4.4.3
Starting array_key_exists => 1.4000000000014E-05 Starting isset => 0.160934
Output for 4.4.2
Starting array_key_exists => 1.2999999999985E-05 Starting isset => 0.148751
Output for 4.4.1
Starting array_key_exists => 1.9999999999992E-05 Starting isset => 0.178627
Output for 4.4.0
Starting array_key_exists => 1.3000000000013E-05 Starting isset => 0.16321
Output for 4.3.11
Starting array_key_exists => 1.8999999999991E-05 Starting isset => 0.128812
Output for 4.3.10
Starting array_key_exists => 1.5000000000015E-05 Starting isset => 0.140305
Output for 4.3.9
Starting array_key_exists => 1.3999999999986E-05 Starting isset => 0.168985
Output for 4.3.8
Starting array_key_exists => 1.4000000000014E-05 Starting isset => 0.157097
Output for 4.3.7
Starting array_key_exists => 1.1999999999984E-05 Starting isset => 0.169904
Output for 4.3.6
Starting array_key_exists => 1.3999999999986E-05 Starting isset => 0.168597
Output for 4.3.5
Starting array_key_exists => 1.3000000000013E-05 Starting isset => 0.160186
Output for 4.3.4
Starting array_key_exists => 1.4999999999987E-05 Starting isset => 0.153315
Output for 4.3.3
Starting array_key_exists => 1.2999999999985E-05 Starting isset => 0.159112
Output for 4.3.2
Starting array_key_exists => 1.7000000000017E-05 Starting isset => 0.13942
Output for 4.3.1
Starting array_key_exists => 1.2999999999985E-05 Starting isset => 0.126365
Output for 4.3.0
Starting array_key_exists => 1.2999999999985E-05 Starting isset => 0.16222