3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = explode(' ', microtime()); $r = substr($t[1], 3) . rand(111, 999) . substr($t[0], 2, 6); echo dechex($r); $number = 4; $hexString = dechex($number); $result = str_pad($hexString,6,"0",STR_PAD_LEFT); echo($result);
Output for 7.3.1
22ca814aa3c158000004
Output for 7.3.0
22ca8128302cd4000004
Output for 7.2.13
22ca814ce796d6000004
Output for 7.2.12
22ca812a093295000004
Output for 7.2.11
22ca81506bdb9d000004
Output for 7.2.10
22ca813bdb9368000004
Output for 7.2.9
22ca814f77b79a000004
Output for 7.2.8
22ca8189768508000004
Output for 7.2.7
22ca811ef3101c000004
Output for 7.2.6
22ca814c213995000004
Output for 7.2.5
22ca813622bb76000004
Output for 7.2.4
22ca812590c9fd000004
Output for 7.2.3
22ca8144ade055000004
Output for 7.2.2
22ca812b1bdb3a000004
Output for 7.2.1
22ca8141576263000004
Output for 7.2.0
22ca813f044aa1000004
Output for 7.1.25
22ca8133094692000004
Output for 7.1.24
22ca8144dba72c000004
Output for 7.1.23
22ca814f49f119000004
Output for 7.1.22
22ca81426a0aea000004
Output for 7.1.21
22ca813c466322000004
Output for 7.1.20
22ca814175e6db000004
Output for 7.1.19
22ca8148f88296000004
Output for 7.1.18
22ca81395ab4f0000004
Output for 7.1.17
22ca81299e62e5000004
Output for 7.1.16
22ca81420e7d5c000004
Output for 7.1.15
22ca811ee3cdfd000004
Output for 7.1.14
22ca813fac235e000004
Output for 7.1.13
22ca813a305484000004
Output for 7.1.12
22ca81343a7366000004
Output for 7.1.11
22ca81214627fb000004
Output for 7.1.10
22ca811ea6c4d2000004
Output for 7.1.9
22ca8140ec92bf000004
Output for 7.1.8
22ca813ec741b8000004
Output for 7.1.7
22ca81317c8beb000004
Output for 7.1.6
22ca812769cfc2000004
Output for 7.1.5
22ca813dd31d99000004
Output for 7.1.4
22ca81462b58b3000004
Output for 7.1.3
22ca814eee636a000004
Output for 7.1.2
22ca8133835871000004
Output for 7.1.1
22ca814981d692000004
Output for 7.1.0
22ca812f38b653000004
Output for 7.0.33
22ca814470d76b000004
Output for 7.0.32
22ca814eb15a7a000004
Output for 7.0.31
22ca8144fa2b9d000004
Output for 7.0.30
22ca8121fd42df000004
Output for 7.0.29
22ca8132eac1dd000004
Output for 7.0.28
22ca81449e9e32000004
Output for 7.0.27
22ca81380b0383000004
Output for 7.0.26
22ca81506bdbba000004
Output for 7.0.25
22ca812c1f41b3000004
Output for 7.0.24
22ca81248d63df000004
Output for 7.0.23
22ca8132fa041b000004
Output for 7.0.22
22ca8137726cf8000004
Output for 7.0.21
22ca8130b62e99000004
Output for 7.0.20
22ca814e468a9a000004
Output for 7.0.19
22ca812fff13aa000004
Output for 7.0.18
22ca812e72593f000004
Output for 7.0.17
22ca8130f337c2000004
Output for 7.0.16
22ca8143b9bc77000004
Output for 7.0.15
22ca81343a736e000004
Output for 7.0.14
22ca8138e0a30e000004
Output for 7.0.13
22ca811f20d6e4000004
Output for 7.0.12
22ca811f20d6dc000004
Output for 7.0.11
22ca814c5e4293000004
Output for 7.0.10
22ca811ed48b90000004
Output for 7.0.9
22ca813c7429d0000004
Output for 7.0.8
22ca813e1f68e6000004
Output for 7.0.7
22ca814175e6ce000004
Output for 7.0.6
22ca812a1874d5000004
Output for 7.0.5
22ca813f32117d000004
Output for 7.0.4
22ca8135d67044000004
Output for 7.0.3
22ca81328f349f000004
Output for 7.0.2
22ca8128c8c378000004
Output for 7.0.1
22ca81355c5e0f000004
Output for 7.0.0
22ca814f1c2a37000004
Output for 5.6.38
22ca812cb7d7e3000004

preferences:
85.71 ms | 401 KiB | 82 Q