3v4l.org

run code in 200+ 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 7.2.0
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0264
Output for 7.1.7
Starting array_key_exists => 1.1920928955078E-6 Starting isset => 1381997184.0257
Output for 7.1.6
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0292
Output for 7.1.5
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0287
Output for 7.1.4
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0293
Output for 7.1.3
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0277
Output for 7.1.2
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0383
Output for 7.1.1
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0286
Output for 7.1.0
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0478
Output for 7.0.20
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0276
Output for 7.0.19
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0329
Output for 7.0.18
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0268
Output for 7.0.17
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0303
Output for 7.0.16
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0232
Output for 7.0.15
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0324
Output for 7.0.14
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0713
Output for 7.0.13
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0447
Output for 7.0.12
Starting array_key_exists => 1.1920928955078E-6 Starting isset => 1381997184.0505
Output for 7.0.11
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0659
Output for 7.0.10
Starting array_key_exists => 0 Starting isset => 1381997184.0534
Output for 7.0.9
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0526
Output for 7.0.8
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0509
Output for 7.0.7
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0723
Output for 7.0.6
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0765
Output for 7.0.5
Starting array_key_exists => 1.1920928955078E-6 Starting isset => 1381997184.0591
Output for 7.0.4
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0425
Output for 7.0.3
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0564
Output for 7.0.2
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0447
Output for 7.0.1
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0504
Output for 7.0.0
Starting array_key_exists => 9.5367431640625E-7 Starting isset => 1381997184.0253
Output for hhvm-3.17.3
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.152
Output for hhvm-3.15.4
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.1462
Output for hhvm-3.13.2
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997185.0504
Output for hhvm-3.12.14
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.1241
Output for hhvm-3.11.1
Starting array_key_exists => 1.1920928955078E-6 Starting isset => 1381997184.1197
Output for hhvm-3.10.1
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.2064
Output for 5.6.30
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0464
Output for 5.6.29
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.046
Output for 5.6.28
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.048
Output for 5.6.27
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0392
Output for 5.6.26
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0468
Output for 5.6.25
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0338
Output for 5.6.8, 5.6.24
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0431
Output for 5.3.20, 5.6.23
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0386
Output for 5.6.22
Starting array_key_exists => 9.0599060058594E-6 Starting isset => 1381997184.0337
Output for 5.6.21
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0403
Output for 5.4.43, 5.6.18, 5.6.20
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0357
Output for 5.6.19
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0441
Output for 5.6.17
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0323
Output for 5.6.16
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0395
Output for 5.6.15
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0409
Output for 5.4.18, 5.6.14
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0364
Output for 5.6.13
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0336
Output for 5.4.26, 5.4.29, 5.6.12
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0421
Output for 5.2.8, 5.6.11
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0385
Output for 5.6.10
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.041
Output for 5.6.9
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.036
Output for 5.6.7
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0398
Output for 5.6.6
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.069
Output for 5.6.5
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0334
Output for 5.3.14, 5.6.4
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0353
Output for 5.6.3
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0342
Output for 5.6.2
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0398
Output for 5.6.1
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0397
Output for 5.6.0
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0409
Output for 5.5.38
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0346
Output for 5.5.37
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0438
Output for 5.4.21, 5.5.36
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0414
Output for 5.5.35
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0377
Output for 5.5.1, 5.5.34
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0398
Output for 5.5.33
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0371
Output for 5.5.32
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0322
Output for 5.5.31
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0557
Output for 5.5.30
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0374
Output for 5.5.29
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0483
Output for 5.5.28
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0386
Output for 5.3.5, 5.4.41, 5.5.27
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0331
Output for 5.5.26
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.039
Output for 5.5.25
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0353
Output for 5.5.24
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.042
Output for 5.5.23
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0344
Output for 5.5.22
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.04
Output for 5.5.21
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0346
Output for 5.5.20
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0333
Output for 5.5.19
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0364
Output for 5.5.18
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0341
Output for 5.5.16
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.038
Output for 5.5.15
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0482
Output for 5.5.14
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0332
Output for 5.5.13
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0393
Output for 5.5.12
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0362
Output for 5.5.11
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0382
Output for 5.5.10
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0419
Output for 5.5.9
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0399
Output for 5.5.8
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0385
Output for 5.5.7
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0378
Output for 5.5.6
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0456
Output for 5.5.5
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0372
Output for 5.3.22, 5.5.4
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0404
Output for 5.5.3
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0392
Output for 5.5.2
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0369
Output for 5.5.0
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0349
Output for 5.4.45
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0381
Output for 5.4.44
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0316
Output for 5.4.42
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0352
Output for 5.4.40
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0327
Output for 5.4.39
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0328
Output for 5.4.38
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0378
Output for 5.4.37
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.039
Output for 5.3.7, 5.4.36
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0342
Output for 5.4.35
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0391
Output for 5.4.30, 5.4.34
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0344
Output for 5.4.32
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0325
Output for 5.4.1, 5.4.31
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0371
Output for 5.4.28
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.044
Output for 5.4.27
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0372
Output for 5.4.25
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0405
Output for 5.4.23 - 5.4.24
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0355
Output for 5.4.22
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0326
Output for 5.4.20
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0424
Output for 5.4.19
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.034
Output for 5.4.17
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0367
Output for 5.4.16
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0351
Output for 5.4.15
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0429
Output for 5.4.14
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.035
Output for 5.4.13
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0333
Output for 5.3.24, 5.4.12
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0439
Output for 5.4.11
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0362
Output for 5.4.10
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0345
Output for 5.4.9
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0466
Output for 5.4.8
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0369
Output for 5.4.7
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0308
Output for 5.4.6
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0447
Output for 5.4.5
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0336
Output for 5.4.4
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.033
Output for 5.4.3
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0327
Output for 5.3.19, 5.4.2
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.038
Output for 5.4.0
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0417
Output for 5.3.29
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0488
Output for 5.3.28
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0418
Output for 5.3.27
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0402
Output for 5.3.26
Starting array_key_exists => 5.0067901611328E-6 Starting isset => 1381997184.0487
Output for 5.3.25
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0654
Output for 5.3.23
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0476
Output for 5.3.21
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0376
Output for 5.3.18
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0374
Output for 5.3.17
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0528
Output for 5.3.16
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0429
Output for 5.3.15
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0413
Output for 5.3.13
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0407
Output for 5.3.12
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0475
Output for 5.3.11
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0489
Output for 5.3.10
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.0445
Output for 5.3.9
Starting array_key_exists => 4.0531158447266E-6 Starting isset => 1381997184.0412
Output for 5.3.8
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0419
Output for 5.3.6
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0384
Output for 5.3.4
Starting array_key_exists => 3.814697265625E-6 Starting isset => 1381997184.0396
Output for 5.3.3
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0423
Output for 5.3.2
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0478
Output for 5.3.1
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.033
Output for 5.3.0
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0347
Output for 5.2.17
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.042
Output for 5.2.16
Starting array_key_exists => 1.9073486328125E-6 Starting isset => 1381997184.0359
Output for 5.2.15
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0378
Output for 5.2.14
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0428
Output for 5.2.13
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.047
Output for 5.2.11 - 5.2.12
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.044
Output for 5.2.10
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0401
Output for 5.2.9
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.052
Output for 5.2.7
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0377
Output for 5.2.6
Starting array_key_exists => 2.1457672119141E-6 Starting isset => 1381997184.045
Output for 5.2.5
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.0585
Output for 5.2.4
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0414
Output for 5.2.3
Starting array_key_exists => 3.0994415283203E-6 Starting isset => 1381997184.0465
Output for 5.2.2
Starting array_key_exists => 2.8610229492188E-6 Starting isset => 1381997184.1101
Output for 5.2.1
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1225
Output for 5.2.0
Starting array_key_exists => 1.9073486328125E-06 Starting isset => 1381997184.1447
Output for 5.1.6
Starting array_key_exists => 2.8610229492188E-06 Starting isset => 1381997184.1141
Output for 5.1.5
Starting array_key_exists => 2.8610229492188E-06 Starting isset => 1381997184.1521
Output for 5.1.4
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1093
Output for 5.1.3
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1186
Output for 5.1.2
Starting array_key_exists => 4.0531158447266E-06 Starting isset => 1381997184.115
Output for 5.1.1
Starting array_key_exists => 2.8610229492188E-06 Starting isset => 1381997184.1314
Output for 5.1.0
Starting array_key_exists => 4.0531158447266E-06 Starting isset => 1381997184.1721
Output for 5.0.5
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1402
Output for 5.0.4
Starting array_key_exists => 2.8610229492188E-06 Starting isset => 1381997184.123
Output for 5.0.3
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1224
Output for 5.0.2
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1778
Output for 5.0.1
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1246
Output for 5.0.0
Starting array_key_exists => 3.0994415283203E-06 Starting isset => 1381997184.1411
Output for 4.4.9
Starting array_key_exists => 1.9999999999992E-05 Starting isset => 0.167905
Output for 4.4.8
Starting array_key_exists => 1.8999999999991E-05 Starting isset => 0.142767
Output for 4.4.7
Starting array_key_exists => 1.3000000000013E-05 Starting isset => 0.13753
Output for 4.4.6
Starting array_key_exists => 1.6999999999989E-05 Starting isset => 0.139416
Output for 4.4.5
Starting array_key_exists => 1.3000000000013E-05 Starting isset => 0.147327
Output for 4.4.4
Starting array_key_exists => 1.6999999999989E-05 Starting isset => 0.140299
Output for 4.4.3
Starting array_key_exists => 1.3000000000013E-05 Starting isset => 0.126957
Output for 4.4.2
Starting array_key_exists => 1.8000000000018E-05 Starting isset => 0.140223
Output for 4.4.1
Starting array_key_exists => 1.1999999999984E-05 Starting isset => 0.136138
Output for 4.4.0
Starting array_key_exists => 1.7000000000003E-05 Starting isset => 0.123048
Output for 4.3.11
Starting array_key_exists => 1.1999999999998E-05 Starting isset => 0.119635
Output for 4.3.10
Starting array_key_exists => 1.6999999999989E-05 Starting isset => 0.128546
Output for 4.3.9
Starting array_key_exists => 1.5000000000015E-05 Starting isset => 0.145498
Output for 4.3.8
Starting array_key_exists => 1.000000000001E-05 Starting isset => 0.126297
Output for 4.3.7
Starting array_key_exists => 1.1000000000011E-05 Starting isset => 0.126759
Output for 4.3.6
Starting array_key_exists => 1.2000000000012E-05 Starting isset => 0.154817
Output for 4.3.5
Starting array_key_exists => 1.3000000000013E-05 Starting isset => 0.126017
Output for 4.3.4
Starting array_key_exists => 1.1000000000011E-05 Starting isset => 0.142227
Output for 4.3.3
Starting array_key_exists => 1.2000000000012E-05 Starting isset => 0.162153
Output for 4.3.2
Starting array_key_exists => 1.5000000000015E-05 Starting isset => 0.13771
Output for 4.3.1
Starting array_key_exists => 1.7000000000017E-05 Starting isset => 0.160121
Output for 4.3.0
Starting array_key_exists => 1.3000000000013E-05 Starting isset => 0.126987