Tips & Tricks

50 tutorials

Step-by-step programming tutorials on PHP, JavaScript, Laravel, WordPress and more.

All Tips & Tricks 50 JavaScript 55 Hidden Features 42 CSS 40 PHP 37 UX 36 Performance 22 Debugging 19 Browser APIs 18 DOM 14 AJAX 12 Forms 11 Security 10 jQuery 8 Animations 7 HTML 2

Latest Popular

JavaScript Intermediate

jQuery and Vanilla JS Are Friends: The Interop Escape Hatches

You don't migrate a decade of jQuery in one heroic rewrite - you make the two worlds interoperate. Element extraction, wrapping, iteration and event bridging, mapped precisely.

May 8, 2026 2 min 257

jQuery Intermediate

.end() and .addBack(): The Chaining Verbs Nobody Learned

jQuery keeps a stack of every traversal you make. .end() pops it, .addBack() merges it - and suddenly one chain does what used to take three variables.

May 1, 2026 2 min 290

jQuery Intermediate

Waiting for jQuery Animations: .promise(), .finish() and the Queue

Callback pyramids after fadeOut, logic that runs mid-animation, the queue backlog from impatient clicking - all solved by three methods most jQuery users never met.

Apr 15, 2026 2 min 401

jQuery Intermediate

Namespaced jQuery Events: The Teardown Trick Plugins Rely On

.off("click") nukes every click handler including ones you don't own. Namespaces let you unbind exactly your handlers - one suffix, surgical cleanup.

Apr 11, 2026 2 min 566

PHP Advanced

Turn PHP Warnings into Exceptions (and Catch Them Like an Adult)

Warnings scroll past in logs while your app continues in a corrupted state. One error handler converts them to catchable ErrorExceptions - and changes how you write file and network code.

Mar 4, 2026 2 min 564

PHP Intermediate

preg_replace_callback: Regex Replacements With a Brain

When each match needs logic - lookups, formatting, escaping - preg_replace hits its ceiling. The callback variant runs code per match, and preg_quote keeps user input from breaking your patterns.

Feb 13, 2026 3 min 229

PHP Intermediate

array_intersect_key: The Input Whitelist Hiding in the Standard Library

Mass-assignment bugs happen when request data flows unfiltered into updates. Two array functions - intersect_key and diff_key - are the terse, auditable filter.

Feb 8, 2026 2 min 526

PHP Beginner

natsort, Collator and the Spaceship: PHP Sorting Like a Human

"item10" before "item2", "Öl" after "z", uppercase clustering before lowercase - default sorts betray human expectations three different ways. PHP has a fix for each.

Feb 4, 2026 2 min 293

PHP Beginner

PHP Array Destructuring Goes Further Than You Think

Keyed destructuring, foreach unpacking, swaps, nested extraction - the [$a, $b] syntax has quietly become one of PHP's best readability tools.

Jan 28, 2026 2 min 219

PHP Beginner

DatePeriod: The Loop You Were Hand-Rolling for Calendars

Every date in a month, every Monday for a year, billing cycles between two dates - DatePeriod iterates ranges natively, immutably and off-by-one-free.

Jan 23, 2026 2 min 742

PHP Intermediate

Stop Translating Month Names by Hand: PHP's intl Extension

Currency placement, month names, ordinal suffixes, "1.234,56" vs "1,234.56" - the intl extension knows every locale's rules, and most PHP developers never call it.

Jan 18, 2026 2 min 406

PHP Intermediate

readonly + Constructor Promotion: DTOs in Five Lines

The 40-line value object - properties, constructor assignments, getters - collapses into a declaration. Modern PHP makes immutable data carriers nearly free to write.

Jan 10, 2026 2 min 484