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run code in 300+ PHP versions simultaneously
<?php $febToInt = strtotime("February"); printf("February to int:\nType: %s; Value: %d\nDate string: %s.\n", gettype($febToInt), $febToInt, date('F', $febToInt));
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
February to int: Type: integer; Value: 1392937200 Date string: February.
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
February to int: Type: integer; Value: 1392940800 Date string: February.
Output for 5.1.0 - 5.1.6
February to int: Type: boolean; Value: 0 Date string: January.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
February to int: Type: integer; Value: -1 Date string: January.

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