Fix #315: default value for the escape parameter for fputcsv() is now deprecated #334

Job	Run time
Backward Compatibility	19s
Coding Guidelines	13s
Tests (ubuntu-latest, 8.2, assert.exception=1, zend.assertions=1, locked, false)	4s
Tests (windows-latest, 8.2, assert.exception=1, zend.assertions=1, locked, false)	4s
Tests (ubuntu-latest, 7.1, lowest)	2s
Tests (ubuntu-latest, 7.4, highest)	2s
Tests (ubuntu-latest, 8.4, highest, true, assert.exception=1, zend.assertions=1, opcache.enable=1...	2s
Tests (ubuntu-latest, 8.1, highest, true, assert.exception=1, zend.assertions=1, opcache.enable=1...	3s
	49s

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