3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 123; $b = (string)$a; for ($b = 0;$b <= count($b); $b++); echo $b;

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)
8.3.40.0170.00718.70
8.3.30.0070.01118.54
8.3.20.0050.00321.65
8.3.10.0140.00421.70
8.3.00.0050.00319.95
8.2.170.0130.00622.96
8.2.160.0000.01421.06
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0080.00020.39
8.2.120.0130.00626.35
8.2.110.0060.00320.37
8.2.100.0040.00817.84
8.2.90.0000.00719.08
8.2.80.0000.00817.97
8.2.70.0040.00717.63
8.2.60.0000.00717.68
8.2.50.0030.00719.26
8.2.40.0080.00020.64
8.2.30.0000.00720.44
8.2.20.0040.00418.06
8.2.10.0000.00818.12
8.2.00.0040.00418.22
8.1.270.0040.00423.91
8.1.260.0110.00626.35
8.1.250.0020.00528.09
8.1.240.0060.00322.20
8.1.230.0040.00717.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00417.48
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0000.00818.43
8.1.160.0060.00318.75
8.1.150.0000.00920.15
8.1.140.0040.00419.61
8.1.130.0070.00017.37
8.1.120.0030.00317.50
8.1.110.0040.00417.52
8.1.100.0080.00017.48
8.1.90.0000.00817.43
8.1.80.0060.00317.39
8.1.70.0000.00817.43
8.1.60.0040.00417.61
8.1.50.0060.00317.52
8.1.40.0050.00317.35
8.1.30.0050.00317.53
8.1.20.0040.00417.55
8.1.10.0070.00017.56
8.1.00.0080.00017.46
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0070.00017.10
8.0.260.0030.00318.49
8.0.250.0050.00316.96
8.0.240.0030.00616.92
8.0.230.0030.00316.90
8.0.220.0000.00716.84
8.0.210.0000.00716.90
8.0.200.0060.00016.90
8.0.190.0080.00016.84
8.0.180.0040.00416.96
8.0.170.0060.00316.95
8.0.160.0040.00416.91
8.0.150.0030.00316.90
8.0.140.0040.00416.93
8.0.130.0090.00013.39
8.0.120.0030.00616.86
8.0.110.0030.00316.82
8.0.100.0040.00416.98
8.0.90.0000.00716.75
8.0.80.0080.00716.90
8.0.70.0060.00316.98
8.0.60.0000.00716.88
8.0.50.0040.00417.00
8.0.30.0090.00817.13
8.0.20.0150.00917.40
8.0.10.0000.00716.89
8.0.00.0000.01716.66
7.4.330.0050.00015.55
7.4.320.0000.00616.51
7.4.300.0040.00416.50
7.4.290.0050.00316.57
7.4.280.0000.00816.49
7.4.270.0030.00316.54
7.4.260.0050.00316.47
7.4.250.0060.00316.55
7.4.240.0020.00516.48
7.4.230.0000.00616.50
7.4.220.0120.00616.65
7.4.210.0100.01016.61
7.4.200.0000.00716.59
7.4.160.0040.01516.38
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0230.00316.61
7.4.120.0110.01016.43
7.4.110.0060.01016.63
7.4.100.0150.00316.50
7.4.90.0060.01216.70
7.4.80.0160.00419.39
7.4.70.0110.00916.34
7.4.60.0210.01416.56
7.4.50.0000.01516.59
7.4.40.0160.00016.51
7.4.30.0060.00916.48
7.4.10.0060.00616.47
7.4.00.0060.00815.64
7.3.330.0080.00013.12
7.3.320.0000.00513.23
7.3.310.0070.00016.40
7.3.300.0000.00616.29
7.3.290.0080.00616.29
7.3.280.0080.00816.31
7.3.270.0100.01017.40
7.3.260.0060.01116.40
7.3.250.0090.00716.28
7.3.240.0120.00916.50
7.3.230.0130.00916.36
7.3.210.0160.00016.41
7.3.200.0090.01216.37
7.3.190.0120.00916.42
7.3.180.0060.00916.32
7.3.170.0120.00616.27
7.3.160.0050.01116.38
7.3.130.0100.00716.20
7.3.120.0030.00716.52
7.3.110.0070.01116.48
7.3.100.0090.00616.32
7.3.90.0060.00716.36
7.3.80.0070.00316.28
7.3.70.0080.00016.43
7.3.60.0080.00616.42
7.3.50.0060.00316.39
7.3.40.0080.00416.36
7.3.30.0000.01216.45
7.3.20.0040.00718.19
7.3.10.0060.00318.07
7.3.00.0100.00718.20
7.2.330.0160.00416.36
7.2.320.0110.01916.42
7.2.310.0070.01016.75
7.2.300.0100.01316.67
7.2.290.0070.01116.32
7.2.260.0090.01016.71
7.2.250.0070.01116.74
7.2.240.0100.00716.73
7.2.230.0060.00916.67
7.2.220.0060.01016.56
7.2.210.0000.00916.74
7.2.200.0090.00616.57
7.2.190.0090.00316.47
7.2.180.0070.00616.69
7.2.170.0040.00816.48
7.2.160.0070.01316.63
7.2.150.0130.00618.39
7.2.140.0060.00318.32
7.2.130.0070.01418.37
7.2.120.0060.00618.34
7.2.110.0030.00718.42
7.2.100.0000.01018.27
7.2.90.0070.01018.13
7.2.80.0000.01618.39
7.2.70.0050.00518.46
7.2.60.0180.00617.43
7.2.50.0090.00618.29
7.2.40.0030.01318.36
7.2.30.0110.00418.53
7.2.20.0000.00918.53
7.2.10.0070.00718.45
7.2.00.0040.00818.17
7.1.330.0000.01417.37
7.1.320.0040.00917.25
7.1.310.0000.01017.39
7.1.300.0070.00717.22
7.1.290.0080.00817.24
7.1.280.0040.00817.38
7.1.270.0000.01217.21
7.1.260.0030.01417.09
7.1.250.0000.01117.28
7.1.240.0030.00717.14
7.1.230.0100.00317.38
7.1.220.0000.01417.26
7.1.210.0040.01117.27
7.1.200.0080.00616.46
7.1.190.0040.00717.41
7.1.180.0000.01217.39
7.1.170.0030.00717.20
7.1.160.0060.00617.37
7.1.150.0040.00817.26
7.1.140.0040.01117.30
7.1.130.0030.01017.41
7.1.120.0070.00417.29
7.1.110.0090.00617.27
7.1.100.0090.00017.42
7.1.90.0030.00917.32
7.1.80.0040.00417.27
7.1.70.0030.00917.34
7.1.60.0420.01025.37
7.1.50.0400.01025.14
7.1.40.0390.00824.93
7.1.30.0300.01224.93
7.1.20.0480.01224.97
7.1.10.0280.00715.95
7.1.00.0280.00816.10
7.0.330.0060.00616.84
7.0.320.0030.01016.82
7.0.310.0030.01017.00
7.0.300.0040.00416.94
7.0.290.0060.01217.03
7.0.280.0080.00416.99
7.0.270.0080.00017.05
7.0.260.0060.00616.88
7.0.250.0050.00516.92
7.0.240.0060.00316.98
7.0.230.0060.01017.06
7.0.220.0070.01017.09
7.0.210.0000.01117.01
7.0.200.0330.01015.89
7.0.190.0310.00715.98
7.0.180.0380.01515.65
7.0.170.0280.00515.72
7.0.160.0470.01215.70
7.0.150.0370.00915.83
7.0.140.0280.00715.82
7.0.130.0290.00315.85
7.0.120.0280.01015.80
7.0.110.0410.00715.82
7.0.100.0330.00315.72
7.0.90.0310.00915.83
7.0.80.0490.01015.74
7.0.70.0410.01015.81
7.0.60.0350.01215.55
7.0.50.0490.00915.66
7.0.40.0410.01014.85
7.0.30.0450.00814.70
7.0.20.0480.00614.71
7.0.10.0320.01214.78
7.0.00.0360.01314.77
5.6.400.0030.01715.92
5.6.390.0030.00615.86
5.6.380.0040.00815.84
5.6.370.0000.01015.89
5.6.360.0030.00615.63
5.6.350.0080.00415.92
5.6.340.0030.00615.86
5.6.330.0000.01015.86
5.6.320.0060.00315.93
5.6.310.0040.01116.03
5.6.300.0140.00415.93
5.6.290.0030.00615.97
5.6.280.0090.00615.94
5.6.270.0040.01115.84
5.6.260.0000.01015.88
5.6.250.0040.00515.90
5.6.240.0030.01115.91
5.6.230.0070.00716.09
5.6.220.0030.01216.14
5.6.210.0060.00615.72
5.6.200.0030.00615.78
5.6.190.0060.00315.73
5.6.180.0070.00716.14
5.6.170.0090.00615.78
5.6.160.0140.00415.65
5.6.150.0070.01015.79
5.6.140.0090.00615.67
5.6.130.0060.01315.64
5.6.120.0140.00415.96
5.6.110.0080.00415.82
5.6.100.0040.01115.75
5.6.90.0040.01116.04
5.6.80.0040.00815.89
5.6.70.0070.00715.84
5.6.60.0030.00915.75
5.6.50.0030.00615.55
5.6.40.0040.01515.66
5.6.30.0100.01015.68
5.6.20.0060.01315.65
5.6.10.0000.01715.67
5.6.00.0110.00715.91

preferences:
55.08 ms | 400 KiB | 5 Q