3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'hey'; strtoupper($str); var_dump($str);

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)
8.3.60.0110.00718.43
8.3.50.0130.01022.82
8.3.40.0090.00618.54
8.3.30.0070.00718.51
8.3.20.0030.00521.79
8.3.10.0050.00320.56
8.3.00.0000.00921.97
8.2.180.0110.01116.38
8.2.170.0070.00722.96
8.2.160.0100.00322.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00819.47
8.2.120.0020.00526.35
8.2.110.0070.01420.51
8.2.100.0040.00717.66
8.2.90.0000.00819.27
8.2.80.0060.00317.97
8.2.70.0080.00017.38
8.2.60.0040.00417.93
8.2.50.0030.00618.10
8.2.40.0000.00720.41
8.2.30.0000.00719.20
8.2.20.0040.00417.97
8.2.10.0050.00318.04
8.2.00.0000.00817.48
8.1.280.0070.01025.92
8.1.270.0040.00423.82
8.1.260.0070.00026.35
8.1.250.0050.00528.09
8.1.240.0030.00621.12
8.1.230.0050.00517.70
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0080.00317.23
8.1.190.0050.00317.22
8.1.180.0060.00318.10
8.1.170.0030.00518.54
8.1.160.0080.00018.87
8.1.150.0000.00722.08
8.1.140.0040.00419.54
8.1.130.0070.00018.99
8.1.120.0000.00817.30
8.1.110.0040.00417.25
8.1.100.0030.00517.31
8.1.90.0000.00817.44
8.1.80.0070.00017.41
8.1.70.0030.00317.27
8.1.60.0000.00717.45
8.1.50.0000.00717.32
8.1.40.0030.00617.43
8.1.30.0040.00417.49
8.1.20.0000.00817.47
8.1.10.0050.00217.34
8.1.00.0040.00417.26
8.0.300.0020.00518.77
8.0.290.0070.00016.63
8.0.280.0000.00718.36
8.0.270.0030.00317.18
8.0.260.0000.00917.18
8.0.250.0070.00016.90
8.0.240.0070.00016.80
8.0.230.0000.00716.82
8.0.220.0070.00016.82
8.0.210.0070.00016.83
8.0.200.0060.00016.91
8.0.190.0000.00716.91
8.0.180.0080.00016.84
8.0.170.0050.00316.84
8.0.160.0000.00716.84
8.0.150.0000.00716.74
8.0.140.0070.00016.67
8.0.130.0000.00513.22
8.0.120.0000.00716.79
8.0.110.0000.00716.66
8.0.100.0080.00016.82
8.0.90.0030.00516.64
8.0.80.0050.01516.88
8.0.70.0000.00816.79
8.0.60.0000.00716.67
8.0.50.0000.00716.83
8.0.30.0110.00917.05
8.0.20.0100.01017.40
8.0.10.0070.00016.88
8.0.00.0100.00716.66
7.4.330.0020.00215.55
7.4.320.0030.00316.29
7.4.300.0040.00416.48
7.4.290.0000.00716.42
7.4.280.0070.00316.43
7.4.270.0070.00016.44
7.4.260.0070.00016.46
7.4.250.0000.00716.49
7.4.240.0000.00716.50
7.4.230.0000.00716.46
7.4.220.0110.00616.39
7.4.210.0080.00916.45
7.4.200.0040.00416.50
7.4.160.0070.00716.37
7.4.150.0130.00417.40
7.4.140.0130.00917.86
7.4.130.0100.00716.41
7.4.120.0080.00916.43
7.4.110.0100.01016.36
7.4.100.0170.00316.48
7.4.90.0170.00016.27
7.4.80.0030.01419.39
7.4.70.0060.00916.57
7.4.60.0090.00616.31
7.4.50.0120.00616.33
7.4.40.0090.01316.45
7.4.30.0120.00616.50
7.4.10.0100.01016.21
7.4.00.0070.01015.68
7.3.330.0050.00312.93
7.3.320.0020.00213.00
7.3.310.0030.00316.09
7.3.300.0070.00015.96
7.3.290.0070.00016.14
7.3.280.0080.00916.16
7.3.270.0030.01617.40
7.3.260.0100.00816.11
7.3.250.0080.01116.36
7.3.240.0160.00316.18
7.3.230.0030.01516.15
7.3.210.0100.00716.32
7.3.200.0060.01016.11
7.3.190.0160.00216.38
7.3.180.0130.00316.38
7.3.170.0070.01016.41
7.3.160.0090.00616.26
7.3.130.0060.01016.31
7.3.120.0090.00916.00
7.3.110.0070.00716.33
7.3.100.0140.00616.35
7.3.90.0030.01316.37
7.3.80.0080.01216.14
7.3.70.0000.01816.12
7.3.60.0030.01616.22
7.3.50.0100.00716.00
7.3.40.0050.00516.20
7.3.30.0030.01316.23
7.3.20.0090.00317.99
7.3.10.0030.01117.26
7.3.00.0070.00817.18
7.2.330.0130.00616.53
7.2.320.0060.00916.39
7.2.310.0060.00916.16
7.2.300.0150.00316.53
7.2.290.0090.00916.42
7.2.260.0000.02116.34
7.2.250.0110.01116.16
7.2.240.0030.01716.36
7.2.230.0130.00816.16
7.2.220.0040.01116.33
7.2.210.0140.00316.36
7.2.200.0000.01316.40
7.2.190.0070.01116.26
7.2.180.0070.00716.20
7.2.170.0040.01216.14
7.2.160.0060.00316.15
7.2.150.0080.00818.30
7.2.140.0140.00418.20
7.2.130.0080.00417.31
7.2.120.0040.00917.52
7.2.110.0100.00717.30
7.2.100.0060.00917.37
7.2.90.0030.01017.37
7.2.80.0050.00817.51
7.2.70.0090.00817.42
7.2.60.0010.01317.56
7.2.50.0050.00817.49
7.2.40.0070.00717.40
7.2.30.0050.00917.29
7.2.20.0090.00517.21
7.2.10.0020.01017.61
7.2.00.0050.01017.44
7.1.330.0060.01017.34
7.1.320.0100.00717.20
7.1.310.0100.00617.30
7.1.300.0070.01017.20
7.1.290.0060.00317.38
7.1.280.0030.01017.29
7.1.270.0030.00617.23
7.1.260.0090.00317.21
7.1.250.0070.00816.44
7.1.240.0060.01217.15
7.1.230.0030.01217.21
7.1.220.0070.00717.26
7.1.210.0030.01317.21
7.1.200.0060.00616.37
7.1.190.0080.00817.38
7.1.180.0070.00717.21
7.1.170.0030.00617.15
7.1.160.0040.01117.17
7.1.150.0040.01417.13
7.1.140.0030.01017.14
7.1.130.0040.01116.95
7.1.120.0070.01017.20
7.1.110.0060.00617.33
7.1.100.0040.01117.38
7.1.90.0060.00617.20
7.1.80.0040.00817.26
7.1.70.0040.00717.11
7.1.60.0040.01017.16
7.1.50.0060.00917.27
7.1.40.0080.00817.36
7.1.30.0040.01217.30
7.1.20.0040.00817.10
7.1.10.0110.03819.62
7.1.00.0050.03519.79
7.0.330.0070.01016.66
7.0.320.0040.00817.02
7.0.310.0060.00817.00
7.0.300.0060.00617.02
7.0.290.0070.01017.07
7.0.280.0030.01016.74
7.0.270.0080.00816.84
7.0.260.0000.00916.98
7.0.250.0070.00716.85
7.0.240.0040.01216.95
7.0.230.0050.00516.97
7.0.220.0040.01116.82
7.0.210.0050.00516.80
7.0.200.0100.00516.80
7.0.190.0080.00317.03
7.0.180.0070.00716.99
7.0.170.0000.01016.90
7.0.160.0070.00716.95
7.0.150.0090.03219.43
7.0.140.0040.03319.30
7.0.130.0030.03419.45
7.0.120.0030.03719.46
7.0.110.0100.02719.30
7.0.100.0040.03419.41
7.0.90.0100.03119.36
7.0.80.0050.03319.38
7.0.70.0130.03819.41
7.0.60.0060.03619.51
7.0.50.0080.03019.39
7.0.40.0090.03818.46
7.0.30.0120.03018.44
7.0.20.0030.03318.41
7.0.10.0070.02918.43
7.0.00.0100.02518.48
5.6.400.0060.00615.68
5.6.390.0140.00415.74
5.6.380.0060.00915.63
5.6.370.0070.00715.53
5.6.360.0110.00415.86
5.6.350.0060.00915.79
5.6.340.0060.00615.73
5.6.330.0040.01115.65
5.6.320.0140.00315.75
5.6.310.0080.00415.61
5.6.300.0120.00615.66
5.6.290.0110.00415.71
5.6.280.0030.00715.83
5.6.270.0000.01115.55
5.6.260.0070.00415.79
5.6.250.0030.01015.68
5.6.240.0070.00715.69
5.6.230.0090.00315.51
5.6.220.0030.00915.69
5.6.210.0000.01215.60
5.6.200.0060.00915.62
5.6.190.0070.00415.54
5.6.180.0070.00715.84
5.6.170.0040.00815.84
5.6.160.0110.00415.69
5.6.150.0000.00915.56
5.6.140.0100.00715.71
5.6.130.0060.00615.63
5.6.120.0090.00615.73
5.6.110.0030.01315.69
5.6.100.0040.01115.73
5.6.90.0000.01415.28
5.6.80.0000.01415.52
5.6.70.0040.01115.61
5.6.60.0070.00715.55
5.6.50.0030.00915.54
5.6.40.0100.00315.62
5.6.30.0040.01115.47
5.6.20.0040.01115.55
5.6.10.0100.00315.67
5.6.00.0100.00715.46

preferences:
61.26 ms | 401 KiB | 5 Q