PHP vs px, What's the Difference?

Which to use

“PHP” is a name and “px” is a symbol - they look or sound alike but fill different roles in a sentence.

#19,939
“PHP” frequency rank: #36,118
“px” frequency rank: 56057
confusion score

Side-by-Side Comparison

Feature	PHP	px
Definition	Langage de programmation, qui est interprété soit par un serveur web (mode FPM) ou par une console (mode CLI).	Symbole du pixel.

Letter map: PHP vs px

Shared letters muted; letters that set PHP and px apart highlighted. Shared run: 1.

3 ch

PHP

2 ch

Role in the sentence - PHP and px

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: PHP is aname and pxasymbol. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56057, derived from the frequency rank of both members and their visual similarity.

PHP is recorded at frequency rank #19,939, classified as aname, pronounced \pe.aʃ.pe\. px is at rank #36,118, tagged as asymbol.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 56057, this pair ranks #123,500 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of PHP vs px

Shared letters: p. Private to "PHP": h. Private to "px": x.

"PHP" · 3 letters · shape CCC · "px" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "PHP" for "px" ever safe?

No - they are not even the same part of speech. "PHP" is a name and "px" a symbol, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "PHP" vs "px" - which ranks higher?

"PHP" is the more common of the two: it sits at frequency rank #19,939 in our French list, against #36,118 for "px". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "PHP" and "px".

Full dictionary entry for "PHP" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "px" - compare definitions side by side with the headword page. Word entry
This pair ranks #123,500 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"PHP" and "px" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs px". Nearby pair

Confusion rank #123,500 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.