Update php_highlight_rules.js

[rozhnev]

Added array_column function highlight

Issue #, if available:
The function array_column not highlighted
Description of changes:
added array_column to functions list

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[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.02% ⚠️

Comparison is base (eb1340e) 87.27% compared to head (d905bfa) 87.26%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5288      +/-   ##
==========================================
- Coverage   87.27%   87.26%   -0.02%     
==========================================
  Files         567      567              
  Lines       45369    45369              
  Branches     6930     6930              
==========================================
- Hits        39595    39590       -5     
- Misses       5774     5779       +5     

Flag	Coverage Δ
unittests	87.26% <ø> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
src/mode/php_highlight_rules.js	93.22% <ø> (ø)

... and 1 file with indirect coverage changes

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