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<?php function pf() { echo "> String concat: " . (0.2+0.1)."\n> Plain echo: "; echo 0.2+0.1; echo "\n> JSON serialization: " . json_encode(0.2+0.1) . "\n"; } echo "Defaults (precision: " . ini_get('precision') . ", serialize precision: " . ini_get('serialize_precision') . ")\n"; pf(); echo "Precision set to -1 (old value: " . ini_set('precision', -1) . ")\n"; pf(); echo "Serialize precision set to 14 (old value: " . ini_set('serialize_precision', 14) . ")\n"; pf();
Output for git.master, git.master_jit, rfc.property-hooks
Defaults (precision: 14, serialize precision: -1) > String concat: 0.3 > Plain echo: 0.3 > JSON serialization: 0.30000000000000004 Precision set to -1 (old value: 14) > String concat: 0.3 > Plain echo: 0.30000000000000004 > JSON serialization: 0.30000000000000004 Serialize precision set to 14 (old value: -1) > String concat: 0.3 > Plain echo: 0.30000000000000004 > JSON serialization: 0.3

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