3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); var_dump(str_replace('a', 'b', null)); var_dump(str_replace('a', 'b', 123)); var_dump(str_replace('a', 'b', "test")); var_dump(str_replace('a', 'b', false));

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)
8.5.20.0120.00519.65
8.5.10.0090.00916.64
8.5.00.0080.00119.78
8.4.170.0100.01121.91
8.4.160.0120.00923.74
8.4.150.0030.00014.05
8.4.140.0100.01217.61
8.4.130.0140.00518.66
8.4.120.0100.01019.57
8.4.110.0120.00917.84
8.4.100.0110.00618.00
8.4.90.0090.00822.35
8.4.80.0090.01018.94
8.4.70.0080.01220.47
8.4.60.0090.01018.97
8.4.50.0130.00718.44
8.4.40.0030.00617.88
8.4.30.0060.00320.22
8.4.20.0040.00418.05
8.4.10.0030.00619.74
8.3.300.0100.01218.88
8.3.290.0090.01220.78
8.3.280.0100.01118.51
8.3.270.0070.01216.86
8.3.260.0090.00416.77
8.3.250.0160.00318.39
8.3.240.0090.01016.76
8.3.230.0060.00116.60
8.3.220.0100.00518.70
8.3.210.0120.00716.79
8.3.200.0060.00316.66
8.3.190.0070.01317.03
8.3.180.0130.00616.57
8.3.170.0120.00618.85
8.3.160.0040.01417.08
8.3.150.0070.01118.99
8.3.140.0140.00316.48
8.3.130.0040.00416.50
8.3.120.0090.00920.58
8.3.110.0040.00416.65
8.3.100.0030.00618.51
8.3.90.0080.00026.77
8.3.80.0070.00316.73
8.3.70.0030.01316.63
8.3.60.0090.00618.45
8.3.50.0120.00317.85
8.3.40.0070.01720.46
8.3.30.0120.00318.81
8.3.20.0040.01124.18
8.3.10.0110.00724.66
8.3.00.0050.00326.16
8.2.300.0130.00721.89
8.2.290.0090.00616.82
8.2.280.0060.00418.13
8.2.270.0140.00417.00
8.2.260.0110.00316.43
8.2.250.0070.00316.75
8.2.240.0060.00316.70
8.2.230.0030.00620.94
8.2.220.0100.00724.06
8.2.210.0000.00826.77
8.2.200.0060.00316.50
8.2.190.0140.00016.58
8.2.180.0140.00725.92
8.2.170.0070.00718.95
8.2.160.0140.00722.96
8.2.150.0070.00325.66
8.2.140.0140.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00719.60
8.2.110.0060.00321.02
8.2.100.0070.00317.91
8.2.90.0030.00618.09
8.2.80.0040.00418.98
8.2.70.0040.00417.63
8.2.60.0050.00317.49
8.2.50.0040.00417.55
8.2.40.0080.00017.75
8.2.30.0000.00717.68
8.2.20.0040.00420.50
8.2.10.0070.00017.66
8.2.00.0040.00419.10
8.1.340.0100.01017.78
8.1.330.0130.00616.22
8.1.320.0140.00518.13
8.1.310.0050.00219.87
8.1.300.0060.00318.28
8.1.290.0060.00330.84
8.1.280.0150.00625.92
8.1.270.0030.00523.99
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0060.00322.07
8.1.230.0040.00821.04
8.1.220.0000.00817.76
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00817.11
8.1.180.0060.00318.10
8.1.170.0000.00918.34
8.1.160.0000.00818.78
8.1.150.0040.00418.43
8.1.140.0000.00717.24
8.1.130.0000.00720.14
8.1.120.0040.00817.34
8.1.110.0000.00717.30
8.1.100.0040.00417.21
8.1.90.0030.00317.34
8.1.80.0060.00317.34
8.1.70.0000.00717.20
8.1.60.0080.00017.52
8.1.50.0040.00417.43
8.1.40.0060.00617.36
8.1.30.0000.00817.48
8.1.20.0060.00317.48
8.1.10.0050.00317.55
8.1.00.0210.00317.42
8.0.300.0000.00820.08
8.0.290.0030.00616.63
8.0.280.0030.00318.34
8.0.270.0000.00716.80
8.0.260.0040.00418.29
8.0.250.0030.00317.00
8.0.240.0000.00616.95
8.0.230.0070.00016.95
8.0.220.0030.00316.88
8.0.210.0070.00016.78
8.0.200.0040.00416.82
8.0.190.0030.00516.83
8.0.180.0060.00316.92
8.0.170.0040.00416.95
8.0.160.0000.00816.78
8.0.150.0000.00716.88
8.0.140.0050.00216.80
8.0.130.0150.00316.79
8.0.120.0150.00616.78
8.0.110.0170.00216.82
8.0.100.0090.00716.78
8.0.90.0120.00516.79
8.0.80.0120.00716.83
8.0.70.0110.00616.81
8.0.60.0110.00616.88
8.0.50.0120.00416.86
8.0.30.0100.00616.78
8.0.20.0130.00416.94
8.0.10.0100.00516.86
8.0.00.0030.00616.92
7.4.330.0060.00015.55
7.4.320.0060.00016.46
7.4.300.0030.00316.47
7.4.290.0000.00716.28
7.4.280.0000.00816.35
7.4.270.0000.00716.38
7.4.260.0120.00316.44
7.4.250.0130.00116.38
7.4.240.0100.00516.46
7.4.230.0050.00916.42
7.4.220.0080.00516.43
7.4.210.0080.00516.40
7.4.200.0080.00516.32
7.4.190.0110.00116.48
7.4.180.0050.00716.41
7.4.160.0100.00416.49
7.4.150.0050.00816.32
7.4.140.0130.00716.29
7.4.130.0140.00516.21
7.4.120.0150.00616.22
7.4.110.0150.00516.27
7.4.100.0150.00416.33
7.4.90.0150.00416.22
7.4.80.0170.00016.24
7.4.70.0120.00516.30
7.4.60.0190.00016.15
7.4.50.0140.00516.15
7.4.40.0160.00216.17
7.4.30.0180.00116.29
7.4.20.0140.00616.23
7.4.10.0140.00416.24
7.4.00.0120.00716.21
7.3.330.0190.00216.15
7.3.320.0150.00416.15
7.3.310.0130.00616.18
7.3.300.0140.00816.07
7.3.290.0160.00416.05
7.3.280.0100.00615.92
7.3.270.0120.00916.09
7.3.260.0180.00416.05
7.3.250.0160.00515.96
7.3.240.0170.00416.12
7.3.230.0190.00116.11
7.3.220.0140.00716.08
7.3.210.0200.00315.95
7.3.200.0180.00416.01
7.3.190.0150.00516.03
7.3.180.0190.00316.07
7.3.170.0180.00415.92
7.3.160.0150.00615.99
7.3.150.0200.00115.96
7.3.140.0130.00216.10
7.3.130.0100.00516.14

preferences:
31.56 ms | 403 KiB | 5 Q