3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tmp = "Hello {username}"; str_replace('{username}', 'David', $tmp); echo $tmp;

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)
8.3.60.0120.00918.43
8.3.50.0140.00719.44
8.3.40.0060.01218.55
8.3.30.0000.01418.57
8.3.20.0000.00820.29
8.3.10.0080.00021.85
8.3.00.0050.00319.38
8.2.180.0060.01016.38
8.2.170.0040.01122.96
8.2.160.0140.00019.33
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00321.00
8.2.120.0070.00026.35
8.2.110.0090.00022.25
8.2.100.0050.00518.03
8.2.90.0000.00819.21
8.2.80.0000.00817.97
8.2.70.0080.00017.49
8.2.60.0060.00317.93
8.2.50.0030.00518.10
8.2.40.0030.00620.59
8.2.30.0000.00719.24
8.2.20.0040.00417.68
8.2.10.0040.00417.93
8.2.00.0000.00818.13
8.1.280.0070.01325.92
8.1.270.0000.00823.99
8.1.260.0080.00028.09
8.1.250.0000.00728.09
8.1.240.0060.00320.99
8.1.230.0090.00319.48
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0070.00317.10
8.1.190.0060.00317.00
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0030.00322.13
8.1.150.0030.00520.54
8.1.140.0040.00419.55
8.1.130.0000.00817.64
8.1.120.0000.00717.41
8.1.110.0040.00417.35
8.1.100.0040.00417.32
8.1.90.0000.00817.43
8.1.80.0000.00717.39
8.1.70.0000.00717.41
8.1.60.0040.00417.47
8.1.50.0030.00617.46
8.1.40.0040.00417.50
8.1.30.0060.00317.55
8.1.20.0000.00717.57
8.1.10.0050.00217.53
8.1.00.0040.00417.33
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00818.44
8.0.270.0000.00817.20
8.0.260.0030.00317.13
8.0.250.0000.00716.84
8.0.240.0080.00016.93
8.0.230.0030.00316.84
8.0.220.0050.00216.87
8.0.210.0050.00216.83
8.0.200.0030.00316.98
8.0.190.0030.00716.82
8.0.180.0040.00416.74
8.0.170.0000.00816.89
8.0.160.0040.00416.89
8.0.150.0030.00316.78
8.0.140.0000.00916.79
8.0.130.0070.00013.25
8.0.120.0000.00816.76
8.0.110.0040.00416.85
8.0.100.0000.00716.85
8.0.90.0040.00416.68
8.0.80.0100.00616.71
8.0.70.0000.00816.72
8.0.60.0030.00516.67
8.0.50.0080.00016.70
8.0.30.0130.00916.99
8.0.20.0070.01217.40
8.0.10.0000.00716.81
8.0.00.0100.00716.64
7.4.330.0030.00315.08
7.4.320.0040.00416.54
7.4.300.0030.00316.34
7.4.290.0030.00316.38
7.4.280.0040.00416.52
7.4.270.0070.00016.53
7.4.260.0050.00216.54
7.4.250.0070.00016.41
7.4.240.0030.00316.58
7.4.230.0070.00016.51
7.4.220.0090.01516.48
7.4.210.0070.00916.50
7.4.200.0040.00416.41
7.4.160.0100.00616.50
7.4.150.0110.00717.40
7.4.140.0070.01017.86
7.4.130.0070.01216.38
7.4.120.0050.01216.46
7.4.110.0070.01016.33
7.4.100.0030.01516.36
7.4.90.0100.00716.46
7.4.80.0130.00319.39
7.4.70.0030.01316.57
7.4.60.0140.00316.26
7.4.50.0070.00716.63
7.4.40.0140.00316.68
7.4.30.0100.00716.57
7.4.00.0030.01315.00
7.3.330.0000.00612.95
7.3.320.0050.00013.14
7.3.310.0000.00716.14
7.3.300.0030.00316.23
7.3.290.0000.00816.25
7.3.280.0070.01016.18
7.3.270.0130.00317.40
7.3.260.0120.00516.48
7.3.250.0130.00916.27
7.3.240.0110.00616.37
7.3.230.0130.00316.39
7.3.210.0060.00916.29
7.3.200.0190.00416.45
7.3.190.0130.00716.32
7.3.180.0070.01016.28
7.3.170.0070.01016.28
7.3.160.0160.00316.62
7.3.120.0100.00814.83
7.3.110.0050.01114.84
7.3.100.0090.00714.75
7.3.90.0050.01314.90
7.3.80.0090.00414.68
7.3.70.0080.00514.74
7.3.60.0040.01014.80
7.3.50.0070.00814.68
7.3.40.0050.01214.71
7.3.30.0060.01014.74
7.3.20.0100.00316.65
7.3.10.0070.00716.48
7.3.00.0030.00716.50
7.2.330.0090.00916.39
7.2.320.0100.01316.61
7.2.310.0070.01016.54
7.2.300.0100.00716.65
7.2.290.0120.00916.51
7.2.250.0070.01114.82
7.2.240.0050.01314.88
7.2.230.0020.01414.61
7.2.220.0060.00814.91
7.2.210.0070.00814.87
7.2.200.0060.00714.84
7.2.190.0100.00714.98
7.2.180.0060.00714.83
7.2.170.0080.00814.77
7.2.160.0080.00814.96
7.2.150.0040.00816.59
7.2.140.0000.01516.66
7.2.130.0160.00016.81
7.2.120.0060.00616.85
7.2.110.0000.01816.75
7.2.100.0070.01016.75
7.2.90.0070.01116.98
7.2.80.0070.01016.84
7.2.70.0070.00716.79
7.2.60.0000.01316.92
7.2.50.0060.00916.94
7.2.40.0100.00316.74
7.2.30.0090.00616.91
7.2.20.0030.01316.73
7.2.10.0030.00916.88
7.2.00.0020.01418.02
7.1.330.0050.00815.61
7.1.320.0070.00715.80
7.1.310.0120.00315.88
7.1.300.0080.00715.75
7.1.290.0090.00715.95
7.1.280.0040.00915.67
7.1.270.0020.01115.77
7.1.260.0020.01215.90
7.1.250.0060.00915.39
7.1.200.0060.00315.66
7.1.70.0000.00817.23
7.1.60.0030.00719.45
7.1.00.0070.07322.29
7.0.200.0000.00716.63
7.0.80.0330.07020.04
7.0.70.0230.07320.00
7.0.60.0300.06019.83
7.0.50.0230.06020.35
7.0.40.0230.06020.27
7.0.30.0330.05320.21
7.0.20.0230.06320.29
7.0.10.0330.05720.32
7.0.00.0230.06320.42
5.6.230.0230.04720.74
5.6.220.0200.05020.75
5.6.210.0170.06720.55
5.6.200.0200.05321.17
5.6.190.0130.05721.07
5.6.180.0030.06721.02
5.6.170.0370.05321.04
5.6.160.0170.05721.19
5.6.150.0070.08021.07
5.6.140.0170.05321.13
5.6.130.0230.06021.13
5.6.120.0100.06321.08
5.6.110.0170.05721.04
5.6.100.0170.05721.15
5.6.90.0170.05721.07
5.6.80.0170.05320.46
5.6.70.0130.05320.50
5.6.60.0100.05720.44
5.6.50.0130.05320.46
5.6.40.0100.05720.41
5.6.30.0130.05020.44
5.6.20.0030.06020.45
5.6.10.0170.04720.41
5.6.00.0100.06020.46

preferences:
61.01 ms | 401 KiB | 5 Q