3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Return true to win function foo($value) { return $value != $value; } // false var_dump(foo(false)); var_dump(foo(1)); var_dump(foo(1.0)); var_dump(foo(!0)); var_dump(foo('')); var_dump(foo(true)); var_dump(foo([])); var_dump(foo((float)1.09876544567543456)); // true var_dump(foo(NAN)); // Score 3

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)
8.3.60.0030.01316.73
8.3.50.0070.00716.45
8.3.40.0180.00018.81
8.3.30.0090.00618.45
8.3.20.0000.00721.90
8.3.10.0060.00321.73
8.3.00.0000.00819.48
8.2.180.0070.00718.29
8.2.170.0050.01022.96
8.2.160.0070.00722.21
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00020.69
8.2.110.0060.00320.96
8.2.100.0080.00417.78
8.2.90.0030.00517.84
8.2.80.0090.00017.97
8.2.70.0090.00017.91
8.2.60.0000.00818.03
8.2.50.0040.00418.10
8.2.40.0080.00020.39
8.2.30.0040.00422.41
8.2.20.0030.00717.98
8.2.10.0000.00717.89
8.2.00.0040.00418.05
8.1.280.0200.00025.92
8.1.270.0040.00422.09
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00323.92
8.1.230.0080.00420.76
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0080.00017.10
8.1.180.0030.00618.10
8.1.170.0050.00318.57
8.1.160.0040.00418.87
8.1.150.0070.00020.27
8.1.140.0070.00017.58
8.1.130.0030.00318.95
8.1.120.0070.00317.38
8.1.110.0070.00417.41
8.1.100.0000.00817.41
8.1.90.0030.00617.39
8.1.80.0040.00317.45
8.1.70.0030.00317.41
8.1.60.0040.00417.41
8.1.50.0000.01117.45
8.1.40.0000.00917.46
8.1.30.0000.00817.60
8.1.20.0050.00317.53
8.1.10.0000.00817.36
8.1.00.0070.00017.21
8.0.300.0000.00819.62
8.0.290.0030.00516.74
8.0.280.0000.00718.26
8.0.270.0070.00017.11
8.0.260.0000.00616.73
8.0.250.0030.00316.94
8.0.240.0040.00417.03
8.0.230.0070.00016.93
8.0.220.0060.00316.88
8.0.210.0030.00316.86
8.0.200.0030.00516.85
8.0.190.0040.00416.89
8.0.180.0040.00416.80
8.0.170.0080.00016.88
8.0.160.0030.00416.92
8.0.150.0050.00216.92
8.0.140.0050.00316.86
8.0.130.0000.00513.37
8.0.120.0000.00716.75
8.0.110.0070.00016.90
8.0.100.0040.00416.74
8.0.90.0040.00416.89
8.0.80.0090.00616.79
8.0.70.0040.00416.89
8.0.60.0080.00016.73
8.0.50.0060.00316.67
8.0.30.0090.00817.10
8.0.20.0130.00817.40
8.0.10.0070.00016.86
8.0.00.0070.01016.63
7.4.330.0000.00515.55
7.4.320.0030.00316.36
7.4.300.0060.00016.47
7.4.290.0080.00016.45
7.4.280.0000.00716.59
7.4.270.0050.00416.54
7.4.260.0000.00716.45
7.4.250.0000.00816.40
7.4.240.0040.00416.46
7.4.230.0030.00316.53
7.4.220.0040.00416.64
7.4.210.0100.00416.55
7.4.200.0000.00716.53
7.4.160.0090.01016.42
7.4.150.0160.00317.40
7.4.140.0070.01117.86
7.4.130.0090.00916.46
7.4.120.0080.01016.49
7.4.110.0120.00616.58
7.4.100.0110.00816.63
7.4.90.0130.00916.59
7.4.80.0140.00919.39
7.4.70.0080.01216.60
7.4.60.0070.01116.32
7.4.50.0070.00716.41
7.4.40.0100.00616.64
7.4.00.0080.00815.01
7.3.330.0050.00013.18
7.3.320.0000.00513.43
7.3.310.0030.00316.39
7.3.300.0000.00716.37
7.3.290.0070.00016.36
7.3.280.0060.01016.33
7.3.270.0100.01017.40
7.3.260.0150.00616.33
7.3.240.0120.00616.38
7.3.230.0200.00416.30
7.3.210.0090.01316.43
7.3.200.0090.01216.30
7.3.190.0090.00616.35
7.3.180.0080.00816.19
7.3.170.0030.01516.40
7.3.160.0070.01316.44
7.3.120.0100.00714.52
7.3.110.0000.01815.09
7.3.100.0120.00314.65
7.3.90.0100.00014.98
7.3.80.0110.00314.86
7.3.70.0110.00414.75
7.3.60.0070.00314.84
7.3.50.0060.01314.75
7.3.40.0070.00414.71
7.3.30.0100.00614.79
7.3.20.0000.01316.75
7.3.10.0070.00716.41
7.3.00.0050.00716.66
7.2.330.0120.00616.32
7.2.320.0060.01216.39
7.2.310.0120.00616.23
7.2.300.0060.01216.38
7.2.290.0030.01316.33
7.2.250.0070.01115.07
7.2.240.0120.00914.92
7.2.230.0130.00314.65
7.2.220.0000.01015.19
7.2.210.0000.01014.75
7.2.200.0070.00714.96
7.2.190.0090.00314.94
7.2.180.0070.01314.89
7.2.170.0030.00615.00
7.2.130.0030.01016.93
7.2.120.0120.00416.54
7.2.110.0050.01016.63
7.2.100.0040.00816.57
7.2.90.0080.00616.66
7.2.80.0070.00816.91
7.2.70.0110.00316.64
7.2.60.0060.00816.57
7.2.50.0020.01317.07
7.2.40.0050.00516.92
7.2.30.0030.00716.77
7.2.20.0080.01017.17
7.2.10.0110.00617.09
7.2.00.0070.01217.13
7.1.330.0070.00716.05
7.1.320.0050.00515.84
7.1.310.0030.01015.69
7.1.300.0030.01015.59
7.1.290.0070.00715.74
7.1.280.0030.00915.75
7.1.270.0060.00615.93
7.1.260.0060.00615.90
7.1.250.0090.00715.68
7.1.240.0030.00915.35
7.1.230.0110.00715.76
7.1.220.0080.00315.68
7.1.210.0030.01015.75
7.1.200.0070.00815.55
7.1.190.0050.00515.43
7.1.180.0030.00615.61
7.1.170.0070.00715.47
7.1.160.0050.00515.58
7.1.150.0100.00315.55
7.1.140.0150.00716.20
7.1.130.0130.00616.32
7.1.120.0150.00716.14
7.1.110.0130.00515.85
7.1.100.0080.00915.92
7.1.90.0080.00816.07
7.1.80.0060.01115.80
7.1.70.0070.01115.68
7.1.60.0210.01324.31
7.1.50.0160.01424.13
7.1.40.0440.01124.05
7.1.30.0170.00824.27
7.1.20.0170.01424.12
7.1.10.0100.01015.20
7.1.00.0070.01515.27
7.0.330.0030.01015.39
5.6.380.0030.01214.39

preferences:
44.52 ms | 401 KiB | 5 Q