3v4l.org

run code in 300+ PHP versions simultaneously
<?php //PHPの関数 //様々な関数 $a[] = "000"; //empty関数 /*以下の場合にTRUE ・空白の数値 ・NULLやFALSE ・変数が定義されただけの状態 ・文字列の半角の0 ・配列、数値の0 */ print $a; echo empty($a).PHP_EOL;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.01018.68
8.3.50.0070.00716.34
8.3.40.0100.00718.79
8.3.30.0160.00318.77
8.3.20.0040.00424.18
8.3.10.0040.00724.66
8.3.00.0080.00026.16
8.2.180.0170.00325.92
8.2.170.0080.01218.96
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00326.35
8.2.110.0090.00020.39
8.2.100.0040.00717.97
8.2.90.0040.00417.75
8.2.80.0080.00018.66
8.2.70.0000.00817.63
8.2.60.0030.00517.50
8.2.50.0030.00618.05
8.2.40.0080.00018.22
8.2.30.0040.00417.98
8.2.20.0040.00417.95
8.2.10.0000.00719.11
8.2.00.0040.00419.29
8.1.280.0110.00425.92
8.1.270.0050.00223.99
8.1.260.0030.00528.09
8.1.250.0070.00028.09
8.1.240.0070.00318.95
8.1.230.0040.00722.20
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0040.00417.48
8.1.190.0030.00617.23
8.1.180.0000.00718.10
8.1.170.0050.00319.02
8.1.160.0030.00518.86
8.1.150.0000.00718.87
8.1.140.0040.00318.79
8.1.130.0030.00320.04
8.1.120.0080.00017.41
8.1.110.0080.00017.50
8.1.100.0050.00317.47
8.1.90.0000.00717.45
8.1.80.0040.00717.42
8.1.70.0030.00317.45
8.1.60.0000.00717.59
8.1.50.0040.00417.39
8.1.40.0050.00317.52
8.1.30.0000.00817.63
8.1.20.0070.00017.66
8.1.10.0050.00317.53
8.1.00.0040.00417.34
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0080.00018.44
8.0.270.0030.00318.11
8.0.260.0030.00318.46
8.0.250.0040.00417.05
8.0.240.0030.00316.98
8.0.230.0000.00716.89
8.0.220.0060.00016.98
8.0.210.0040.00416.83
8.0.200.0000.00716.99
8.0.190.0000.00717.00
8.0.180.0030.00516.93
8.0.170.0000.00816.97
8.0.160.0030.00516.99
8.0.150.0040.00416.77
8.0.140.0040.00416.89
8.0.130.0030.00313.38
8.0.120.0040.00416.92
8.0.110.0000.00716.95
8.0.100.0000.00816.81
8.0.90.0000.00816.82
8.0.80.0080.01016.90
8.0.70.0040.00416.81
8.0.60.0040.00416.92
8.0.50.0070.00016.94
8.0.30.0040.01116.94
8.0.20.0120.00617.02
8.0.10.0160.00017.19
8.0.00.0080.01017.15
7.4.330.0000.00415.55
7.4.320.0000.00616.52
7.4.300.0060.00016.34
7.4.290.0040.00416.42
7.4.280.0040.00816.37
7.4.270.0000.00716.51
7.4.260.0030.00313.08
7.4.250.0030.00516.45
7.4.240.0050.00216.23
7.4.230.0030.00316.48
7.4.220.0000.00716.39
7.4.210.0080.00716.42
7.4.200.0050.00316.53
7.4.140.0090.00916.77
7.4.130.0110.01116.28
7.4.120.0150.00616.26
7.4.110.0130.00316.36
7.4.100.0060.01116.37
7.4.90.0110.00716.55
7.4.80.0130.00516.38
7.4.70.0030.01416.36
7.4.60.0090.01216.11
7.4.50.0090.01215.84
7.4.40.0110.00816.51
7.4.30.0090.00916.50
7.4.20.0100.00716.12
7.4.10.0140.00316.29
7.4.00.0130.00316.67
7.3.330.0030.00616.14
7.3.320.0050.00013.22
7.3.310.0000.00716.46
7.3.300.0030.00316.38
7.3.290.0040.00916.34
7.3.260.0130.00416.33
7.3.250.0120.00616.42
7.3.240.0090.01216.21
7.3.230.0030.01316.28
7.3.220.0160.00016.63
7.3.210.0160.00016.47
7.3.200.0050.01116.27
7.3.190.0170.00616.36
7.3.180.0080.01316.15
7.3.170.0120.00916.29
7.3.160.0070.01016.31
7.3.150.0030.01516.09
7.3.140.0160.00016.33
7.3.130.0000.01616.31
7.3.120.0170.00715.93
7.3.110.0140.00316.26
7.3.100.0100.00716.30
7.3.90.0070.01016.32
7.3.80.0100.01316.35
7.3.70.0050.01016.50
7.3.60.0090.00916.41
7.3.50.0100.00616.48
7.3.40.0070.01016.37
7.3.30.0160.00016.35
7.3.20.0080.00816.24
7.3.10.0030.01316.31
7.3.00.0080.00816.43

preferences:
61.34 ms | 401 KiB | 5 Q