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<?php $great = 'abc'; ${'great '} = 'def'; const great = 'ghi'; $ghi = '...'; ${"ෝ"} = 'Meh'; // ${\u{ddd}} = 'Meh'; var_dump("${great }"); // outputs the constant value's variable value var_dump("${'great '}"); // outputs the ${'great '} variable value var_dump("${great}"); // outputs the $great variable value var_dump("${'ෝ'}"); // outputs the ${\u{ddd}} variable value var_dump("${ෝ}"); // outputs the ${\u{ddd}} variable value /* Even though "great " is not a valid variable name, neither is "\u{ddd}" but that still works. I'd therefore expect "${great }" to firstly search for a variable named "great " before falling back to evaluating the expression first. */
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/fC2vh on line 9 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/fC2vh on line 10 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/fC2vh on line 11 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/fC2vh on line 12 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/fC2vh on line 13 string(3) "..." string(3) "def" string(3) "abc" string(3) "Meh" string(3) "Meh"

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