PHP Built-In Functions Masterclass | String, Array & Math Functions
Unlock the power of PHP! In this tutorial, we dive deep into the essential PHP Built-In Functions that will save you hours of coding. From manipulating text and arrays to handling complex math and server timestamps, these are the core tools every backend developer needs.
In this lab session, we cover 5 major categories with real code examples:
1️⃣ String Functions: Clean up text, find words, and replace data dynamically.
2️⃣ Array Functions: Push, pop, sort, and search through lists of data effortlessly.
3️⃣ Math Functions: Generate random numbers, round decimals, and find absolutes.
4️⃣ Date & Time: Master UNIX timestamps and format dates exactly how you need them.
5️⃣ Variable Handling: Avoid errors using isset(), empty(), and is_null().
💻 Download the Lab Code: [Insert Google Drive / GitHub Link]
⏳ Video Chapters:
0:00 - Introduction to PHP Built-In Functions
1:18 - PHP String Functions (strlen, str_replace, trim & more)
7:07 - PHP Array Functions (count, array_push, sort, implode)
11:41 - PHP Math Functions (abs, round, rand, max, min)
13:51 - PHP Date & Time Functions (date, time, strtotime)
17:42 - PHP Variable Handling (isset, empty, is_null, is_string)
23:02 - Summary & Outro
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