3v4l.org

run code in 300+ PHP versions simultaneously
<?php $y = null; $x = is_numeric($y); var_dump($x);

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)
8.3.40.0120.00318.59
8.3.30.0100.01018.45
8.3.20.0040.00419.02
8.3.10.0040.00421.77
8.3.00.0000.00819.56
8.2.170.0080.00822.96
8.2.160.0130.00020.49
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00719.64
8.2.120.0050.00226.35
8.2.110.0110.00021.08
8.2.100.0030.00917.93
8.2.90.0080.00019.18
8.2.80.0030.00517.97
8.2.70.0070.00417.63
8.2.60.0000.00817.90
8.2.50.0080.00318.10
8.2.40.0050.00322.25
8.2.30.0040.00419.16
8.2.20.0050.00317.53
8.2.10.0040.00417.98
8.2.00.0000.00918.04
8.1.270.0040.00424.02
8.1.260.0050.00328.09
8.1.250.0000.00728.09
8.1.240.0070.00320.94
8.1.230.0040.00717.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00017.21
8.1.190.0040.00417.22
8.1.180.0070.00018.10
8.1.170.0040.00418.65
8.1.160.0000.00719.00
8.1.150.0000.00718.79
8.1.140.0040.00419.43
8.1.130.0050.00317.55
8.1.120.0000.00717.29
8.1.110.0040.00417.42
8.1.100.0050.00217.31
8.1.90.0040.00417.38
8.1.80.0040.00417.40
8.1.70.0030.00517.38
8.1.60.0040.00417.57
8.1.50.0040.00417.50
8.1.40.0040.00417.42
8.1.30.0040.00417.52
8.1.20.0070.00017.56
8.1.10.0000.00717.42
8.1.00.0040.00417.43
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0040.00418.45
8.0.270.0040.00417.19
8.0.260.0030.00317.24
8.0.250.0000.00716.77
8.0.240.0030.00316.86
8.0.230.0030.00316.77
8.0.220.0000.00716.77
8.0.210.0000.00716.84
8.0.200.0000.00616.88
8.0.190.0080.00016.91
8.0.180.0050.00216.86
8.0.170.0040.00416.89
8.0.160.0000.00716.86
8.0.150.0040.00416.80
8.0.140.0000.00816.85
8.0.130.0050.00013.27
8.0.120.0000.00816.75
8.0.110.0060.00316.72
8.0.100.0030.00516.71
8.0.90.0000.00716.63
8.0.80.0030.01216.71
8.0.70.0070.00016.79
8.0.60.0060.00316.75
8.0.50.0000.00716.79
8.0.30.0100.00816.97
8.0.20.0100.00917.40
8.0.10.0070.00016.84
8.0.00.0190.00316.62
7.4.330.0000.00515.08
7.4.320.0070.00016.34
7.4.300.0030.00316.52
7.4.290.0030.00316.52
7.4.280.0080.00016.52
7.4.270.0000.00716.54
7.4.260.0000.00716.32
7.4.250.0060.00316.34
7.4.240.0040.00416.58
7.4.230.0000.00716.62
7.4.220.0080.01916.56
7.4.210.0070.00716.57
7.4.200.0000.00716.28
7.4.160.0060.00916.44
7.4.150.0100.00717.40
7.4.140.0070.01117.86
7.4.130.0050.01216.36
7.4.120.0100.00716.37
7.4.110.0060.00916.41
7.4.100.0130.00716.21
7.4.90.0080.00816.46
7.4.80.0060.00919.39
7.4.70.0150.00316.45
7.4.60.0100.00716.35
7.4.50.0070.00716.24
7.4.40.0100.00716.31
7.4.30.0060.01616.41
7.4.10.0130.00614.53
7.4.00.0040.01214.79
7.3.330.0000.00612.98
7.3.320.0050.00013.02
7.3.310.0040.00416.16
7.3.300.0000.00716.18
7.3.290.0070.00916.12
7.3.280.0090.00716.12
7.3.270.0070.01117.40
7.3.260.0090.01316.37
7.3.250.0090.01016.29
7.3.240.0100.01016.29
7.3.230.0100.00716.39
7.3.210.0060.01116.24
7.3.200.0070.01316.12
7.3.190.0080.00815.96
7.3.180.0190.00316.57
7.3.170.0080.01216.13
7.3.160.0040.01616.02
7.3.130.0090.00914.71
7.3.120.0050.01114.67
7.3.110.0060.00914.49
7.3.100.0100.00314.84
7.3.90.0060.00814.73
7.3.80.0050.00814.78
7.3.70.0000.01414.58
7.3.60.0120.00314.64
7.3.50.0040.01014.37
7.3.40.0050.00714.70
7.3.30.0050.00814.72
7.3.20.0030.01016.37
7.3.10.0060.00616.59
7.3.00.0070.00716.63
7.2.330.0180.00016.57
7.2.320.0070.01016.45
7.2.310.0030.01316.64
7.2.300.0060.00916.16
7.2.290.0110.00516.32
7.2.260.0090.00614.82
7.2.250.0080.00914.93
7.2.240.0050.00814.80
7.2.230.0040.00914.89
7.2.220.0090.00514.98
7.2.210.0010.01214.86
7.2.200.0030.00814.98
7.2.190.0050.01114.80
7.2.180.0050.00814.92
7.2.170.0100.00514.79
7.2.160.0150.00414.57
7.2.150.0080.00816.83
7.2.140.0060.00316.78
7.2.130.0030.01416.74
7.2.120.0150.00016.73
7.2.110.0070.00816.82
7.2.100.0000.01716.93
7.2.90.0040.01516.61
7.2.80.0050.00516.61
7.2.70.0110.00316.82
7.2.60.0030.00916.61
7.2.50.0000.01316.91
7.2.40.0030.01316.95
7.2.30.0030.01316.63
7.2.20.0000.01116.88
7.2.10.0060.00316.77
7.2.00.0050.00818.02
7.1.330.0060.00815.84
7.1.320.0070.00415.80
7.1.310.0030.01015.82
7.1.300.0070.00915.64
7.1.290.0050.00615.69
7.1.280.0030.01315.74
7.1.270.0030.01015.83
7.1.260.0080.00715.76
7.1.250.0100.00715.66
7.1.240.0040.00815.42
7.1.230.0090.00615.79
7.1.220.0070.00715.83
7.1.210.0030.00615.70
7.1.200.0160.00515.51
7.1.190.0000.01315.61
7.1.180.0070.01015.81
7.1.170.0030.01015.76
7.1.160.0030.01015.79
7.1.150.0100.00315.50
7.1.140.0000.01315.76
7.1.130.0080.00315.81
7.1.120.0000.01115.88
7.1.110.0080.00415.61
7.1.100.0020.01016.99
7.1.90.0030.00915.71
7.1.80.0050.00515.90
7.1.70.0030.00516.38
7.1.60.0050.01217.58
7.1.50.0000.01315.75
7.1.40.0070.00715.73
7.1.30.0060.01015.65
7.1.20.0030.01315.71
7.1.10.0070.00715.48
7.1.00.0010.04119.13
7.0.330.0030.01315.48
7.0.320.0100.00315.24
7.0.310.0080.00815.35
7.0.300.0070.00415.11
7.0.290.0030.01015.28
7.0.280.0030.01015.23
7.0.270.0030.01315.38
7.0.260.0090.00315.54
7.0.250.0000.01315.17
7.0.240.0030.01015.38
7.0.230.0110.00315.48
7.0.220.0090.00315.32
7.0.210.0000.00915.45
7.0.200.0080.01014.96
7.0.190.0040.00415.41
7.0.180.0070.00715.16
7.0.170.0000.01215.32
7.0.160.0000.00815.37
7.0.150.0030.01215.10
7.0.140.0110.00315.43
7.0.130.0070.01315.16
7.0.120.0030.01615.39
7.0.110.0080.00615.27
7.0.100.0070.00415.19
7.0.90.0000.01115.07
7.0.80.0060.00915.32
7.0.70.0030.01315.45
7.0.60.0130.03318.57
7.0.50.0140.03518.81
7.0.40.0230.03016.83
7.0.30.0070.04017.75
7.0.20.0130.02817.80
7.0.10.0030.03817.79
7.0.00.0030.03817.74
5.6.400.0000.00814.08
5.6.390.0030.01014.30
5.6.380.0040.01114.13
5.6.370.0100.00313.85
5.6.360.0120.00314.27
5.6.350.0030.00714.55
5.6.340.0040.00414.14
5.6.330.0070.01014.16
5.6.320.0030.00514.34
5.6.310.0040.00814.21
5.6.300.0030.00614.39
5.6.290.0000.00814.28
5.6.280.0080.00314.27
5.6.270.0030.01314.20
5.6.260.0040.00813.93
5.6.250.0090.00314.12
5.6.240.0130.00013.99
5.6.230.0070.00414.16
5.6.220.0130.00014.30
5.6.210.0090.04417.29
5.6.200.0180.03117.70
5.6.190.0100.03317.77
5.6.180.0100.03017.60
5.6.170.0100.03517.67
5.6.160.0080.03217.69
5.6.150.0130.03017.60
5.6.140.0120.02717.63
5.6.130.0070.03917.67
5.6.120.0120.03517.76
5.6.110.0120.03017.51
5.6.100.0130.02817.56
5.6.90.0080.03617.44
5.6.80.0100.03417.19
5.6.70.0060.03217.28
5.6.60.0030.03317.18
5.6.50.0070.03717.33
5.6.40.0080.02817.11
5.6.30.0030.03217.32
5.6.20.0110.03017.30
5.6.10.0070.03217.41
5.6.00.0170.02717.31
5.5.380.0060.00614.07
5.5.370.0090.00314.19
5.5.360.0100.00014.24
5.5.350.0180.03317.25
5.5.340.0100.03817.53
5.5.330.0100.03017.54
5.5.320.0100.03017.28
5.5.310.0100.03417.45
5.5.300.0150.03717.48
5.5.290.0130.03317.50
5.5.280.0110.03417.46
5.5.270.0060.03617.34
5.5.260.0130.03517.47
5.5.250.0120.03917.36
5.5.240.0100.03217.21
5.5.230.0080.03217.10
5.5.220.0130.04117.09
5.5.210.0060.03917.27
5.5.200.0030.03617.08
5.5.190.0030.03216.93
5.5.180.0080.03017.15
5.5.170.0030.01014.08
5.5.160.0160.03317.17
5.5.150.0130.03117.07
5.5.140.0240.02317.22
5.5.130.0080.03517.19
5.5.120.0070.03317.17
5.5.110.0070.03317.25
5.5.100.0170.02516.79
5.5.90.0160.02717.15
5.5.80.0170.02516.84
5.5.70.0080.03516.99
5.5.60.0170.02716.95
5.5.50.0100.03016.95
5.5.40.0120.03217.00
5.5.30.0140.03016.96
5.5.20.0080.03517.14
5.5.10.0200.02316.97
5.5.00.0150.02716.85

preferences:
55.39 ms | 400 KiB | 5 Q