3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Le bug de l'espace... echo 'Le bug de l\'espace :' . PHP_EOL; echo "var_dump(is_numeric(' 1')) // => " . var_dump(is_numeric(' 1')) . PHP_EOL; echo "var_dump(is_numeric('1 ')) // => " . var_dump(is_numeric('1 ')) . PHP_EOL; // Mais... echo 'Mais :' . PHP_EOL; echo "' 1' == 1 // => " . (' 1' == 1) . PHP_EOL; echo "'1 ' == 1 // => " . ('1 ' == 1) . 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)
8.3.60.0040.01116.50
8.3.50.0030.01018.18
8.3.40.0060.01218.89
8.3.30.0110.00418.84
8.3.20.0070.00721.73
8.3.10.0000.00721.90
8.3.00.0040.00419.66
8.2.180.0110.01118.30
8.2.170.0120.00322.96
8.2.160.0070.00720.34
8.2.150.0050.00324.18
8.2.140.0050.00224.66
8.2.130.0040.00420.35
8.2.120.0040.00426.35
8.2.110.0000.00920.43
8.2.100.0060.00617.48
8.2.90.0040.00419.07
8.2.80.0060.00317.97
8.2.70.0040.00417.47
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0030.00620.42
8.2.30.0000.00719.21
8.2.20.0040.00417.87
8.2.10.0000.00717.87
8.2.00.0040.00417.97
8.1.280.0090.00925.92
8.1.270.0080.00020.47
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00322.03
8.1.230.0100.00319.14
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0100.00017.23
8.1.190.0000.00817.10
8.1.180.0050.00218.10
8.1.170.0030.00618.64
8.1.160.0070.00018.87
8.1.150.0000.00818.88
8.1.140.0070.00019.42
8.1.130.0000.00720.57
8.1.120.0040.00417.37
8.1.110.0040.00417.39
8.1.100.0040.00417.46
8.1.90.0000.00817.40
8.1.80.0040.00417.35
8.1.70.0070.00317.39
8.1.60.0050.00317.41
8.1.50.0040.00417.44
8.1.40.0080.00017.43
8.1.30.0040.00417.60
8.1.20.0020.00517.48
8.1.10.0050.00217.46
8.1.00.0080.00017.29
8.0.300.0050.00320.01
8.0.290.0040.00416.75
8.0.280.0040.00418.38
8.0.270.0000.00717.19
8.0.260.0030.00319.04
8.0.250.0000.00716.74
8.0.240.0060.00316.79
8.0.230.0000.00716.75
8.0.220.0000.00716.82
8.0.210.0030.00316.84
8.0.200.0000.00716.76
8.0.190.0030.00516.75
8.0.180.0040.00416.78
8.0.170.0000.00716.82
8.0.160.0000.00716.89
8.0.150.0030.00316.71
8.0.140.0070.00016.80
8.0.130.0030.00313.28
8.0.120.0000.00916.76
8.0.110.0000.00716.91
8.0.100.0050.00316.70
8.0.90.0000.00716.66
8.0.80.0000.02016.71
8.0.70.0040.00416.65
8.0.60.0050.00316.66
8.0.50.0000.00716.74
8.0.30.0100.01016.83
8.0.20.0090.01017.40
8.0.10.0030.00616.95
8.0.00.0030.01316.75
7.4.330.0020.00215.55
7.4.320.0030.00316.38
7.4.300.0060.00016.47
7.4.290.0030.00316.51
7.4.280.0040.00416.46
7.4.270.0000.00716.29
7.4.260.0030.00316.25
7.4.250.0000.00716.44
7.4.240.0000.00716.48
7.4.230.0030.00416.45
7.4.220.0030.01916.35
7.4.210.0090.00616.43
7.4.200.0000.00716.26
7.4.160.0120.00316.30
7.4.150.0130.00417.40
7.4.140.0080.01117.86
7.4.130.0130.00616.32
7.4.120.0110.00916.36
7.4.110.0040.01316.35
7.4.100.0100.01016.37
7.4.90.0100.00716.46
7.4.80.0090.00619.39
7.4.70.0060.01516.45
7.4.60.0060.00916.58
7.4.50.0030.01016.49
7.4.40.0090.00616.23
7.4.30.0110.01116.41
7.4.10.0080.01216.32
7.4.00.0100.00815.63
7.3.330.0030.00313.03
7.3.320.0030.00312.94
7.3.310.0000.00816.05
7.3.300.0040.00416.25
7.3.290.0110.00416.19
7.3.280.0080.00916.16
7.3.270.0080.00817.40
7.3.260.0170.00316.13
7.3.250.0070.01016.50
7.3.240.0080.00816.38
7.3.230.0060.01616.41
7.3.210.0140.00416.42
7.3.200.0120.00316.37
7.3.190.0070.01116.30
7.3.180.0130.00316.32
7.3.170.0130.00316.38
7.3.160.0100.00616.21
7.3.130.0030.01615.99
7.3.120.0090.00616.24
7.3.110.0060.01216.29
7.3.100.0060.00916.36
7.3.90.0040.01516.08
7.3.80.0040.00716.42
7.3.70.0030.01016.08
7.3.60.0030.01216.30
7.3.50.0070.00716.16
7.3.40.0070.01116.30
7.3.30.0130.00716.21
7.3.20.0060.00918.05
7.3.10.0030.01017.12
7.3.00.0130.00517.24
7.2.330.0080.00816.60
7.2.320.0100.00616.50
7.2.310.0060.01216.28
7.2.300.0080.01116.63
7.2.290.0090.00616.45
7.2.260.0070.01116.48
7.2.250.0140.00716.33
7.2.240.0120.00616.23
7.2.230.0150.00316.64
7.2.220.0120.00316.54
7.2.210.0070.00716.44
7.2.200.0030.01316.56
7.2.190.0090.00616.32
7.2.180.0070.01016.44
7.2.170.0030.01216.49
7.2.160.0030.01316.40
7.2.150.0000.01618.26
7.2.140.0070.01018.07
7.2.130.0050.00917.37
7.2.120.0090.00917.42
7.2.110.0120.00617.29
7.2.100.0090.00917.34
7.2.90.0100.00917.49
7.2.80.0090.00717.40
7.2.70.0120.00517.34
7.2.60.0130.00617.42
7.2.50.0070.00717.42
7.2.40.0110.00717.54
7.2.30.0130.00717.63
7.2.20.0110.00717.29
7.2.10.0070.01017.43
7.2.00.0130.00517.71
7.1.330.0050.00817.15
7.1.320.0040.01417.16
7.1.310.0120.00417.26
7.1.300.0000.01317.27
7.1.290.0100.00717.27
7.1.280.0130.00317.14
7.1.270.0030.01617.22
7.1.260.0000.01617.12
7.1.250.0040.00716.33
7.1.240.0030.00717.23
7.1.230.0070.00717.21
7.1.220.0100.01017.30
7.1.210.0040.01117.06
7.1.200.0000.01017.02
7.1.190.0110.00317.05
7.1.180.0000.01217.23
7.1.170.0080.00417.12
7.1.160.0040.00717.12
7.1.150.0040.01117.12
7.1.140.0030.00917.11
7.1.130.0070.01017.09
7.1.120.0060.00617.14
7.1.110.0030.00716.97
7.1.100.0060.01117.18
7.1.90.0040.00817.22
7.1.80.0110.00417.22
7.1.70.0080.00617.04
7.1.60.0150.01226.08
7.1.50.0510.01125.76
7.1.40.0160.00725.76
7.1.30.0150.00825.85
7.1.20.0100.01325.76
7.1.10.0070.01016.80
7.1.00.0030.01016.80
7.0.330.0070.01016.70
7.0.320.0120.00416.88
7.0.310.0060.00316.77
7.0.300.0040.00416.90
7.0.290.0000.01716.73
7.0.280.0030.01016.84
7.0.270.0120.00417.07
7.0.260.0070.00716.78
7.0.250.0060.00616.88
7.0.240.0090.00416.92
7.0.230.0080.00417.04
7.0.220.0060.00916.82
7.0.210.0060.01016.93
7.0.200.0020.01216.76
7.0.190.0030.01216.60
7.0.180.0020.01016.44
7.0.170.0030.01116.38
7.0.160.0080.00716.61
7.0.150.0080.00816.50
7.0.140.0080.00616.56
7.0.130.0060.00616.64
7.0.120.0100.00516.77
7.0.110.0080.00616.57
7.0.100.0050.01116.57
7.0.90.0020.01216.61
7.0.80.0030.01016.61
7.0.70.0070.00716.56
7.0.60.0060.00916.51
7.0.50.0030.01316.68
7.0.40.0090.00715.59
7.0.30.0000.01215.54
7.0.20.0050.00815.71
7.0.10.0070.00815.57
7.0.00.0020.01315.65
5.6.400.0030.00716.06
5.6.390.0000.01215.83
5.6.380.0000.01115.77
5.6.370.0000.01315.54
5.6.360.0030.01016.09
5.6.350.0150.00015.84
5.6.340.0060.00916.02
5.6.330.0150.00015.76
5.6.320.0070.00715.84
5.6.310.0100.01015.69
5.6.300.0080.00415.74
5.6.290.0030.01215.73
5.6.280.0070.00715.58
5.6.270.0030.01215.71
5.6.260.0140.00715.74
5.6.250.0060.01115.78
5.6.240.0070.00715.93
5.6.230.0030.01215.91
5.6.220.0100.00315.74
5.6.210.0150.00315.54
5.6.200.0120.00015.77
5.6.190.0030.01715.57
5.6.180.0080.00415.71
5.6.170.0030.01215.61
5.6.160.0100.00315.66
5.6.150.0030.00715.66
5.6.140.0060.00615.61
5.6.130.0000.01415.69
5.6.120.0090.00315.80
5.6.110.0070.01115.63
5.6.100.0070.00415.75
5.6.90.0100.00315.51
5.6.80.0000.01215.45
5.6.70.0000.01415.73
5.6.60.0060.01015.50
5.6.50.0000.01615.63
5.6.40.0040.01415.74
5.6.30.0060.00615.61
5.6.20.0030.00615.77
5.6.10.0090.00315.55
5.6.00.0060.00615.63

preferences:
65.81 ms | 400 KiB | 5 Q