def = new HTMLPurifier_AttrDef_HTML_Pixels(); } function test() { $this->assertDef('1'); $this->assertDef('0'); $this->assertDef('2px', '2'); // rm px suffix $this->assertDef('dfs', false); // totally invalid value // conceivably we could repair this value, but we won't for now $this->assertDef('9in', false); // test trim $this->assertDef(' 45 ', '45'); // no negatives $this->assertDef('-2', '0'); // remove empty $this->assertDef('', false); // round down $this->assertDef('4.9', '4'); } }