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<?php $arr = [ 'derp', 'test', 'othershit' ]; $someUnknowableTemplate = "the first var is @VAR0, the third is @VAR2"; echo preg_replace('/@VAR(\d)/e','$arr[\1]',$someUnknowableTemplate);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/30uqb on line 10
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/30uqb on line 10 the first var is derp, the third is othershit
Output for 5.4.0 - 5.4.45
the first var is derp, the third is othershit
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/30uqb on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/30uqb on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/30uqb on line 2
Process exited with code 255.

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