3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "[x,y,z]"; $modified = str_replace("[", "[\"", $str); $preg = preg_replace('~\w~', '\"${1}\"', $str); echo $modified; echo $preg;

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)
8.3.70.0110.00718.55
8.3.60.0000.01418.53
8.3.50.0130.00922.02
8.3.40.0000.01518.64
8.3.30.0090.00618.97
8.3.20.0040.00418.98
8.3.10.0000.00721.73
8.3.00.0070.00717.80
8.2.180.0070.00716.88
8.2.170.0160.00622.96
8.2.160.0140.00022.13
8.2.150.0070.00324.18
8.2.140.0030.00524.66
8.2.130.0090.00626.16
8.2.120.0000.00719.82
8.2.110.0030.00620.46
8.2.100.0080.00318.03
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0040.00417.72
8.2.60.0000.01117.92
8.2.50.0080.00018.07
8.2.40.0030.00622.32
8.2.30.0050.00220.56
8.2.20.0040.00417.86
8.2.10.0080.00018.11
8.2.00.0040.00418.20
8.1.280.0030.01425.92
8.1.270.0050.00323.97
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0040.00422.06
8.1.230.0030.00717.66
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0080.00017.13
8.1.180.0000.00718.10
8.1.170.0030.00518.68
8.1.160.0040.00420.69
8.1.150.0000.00718.71
8.1.140.0000.00919.57
8.1.130.0000.00717.68
8.1.120.0000.00717.49
8.1.110.0040.00417.49
8.1.100.0040.00417.43
8.1.90.0000.00717.54
8.1.80.0040.00417.45
8.1.70.0000.00717.46
8.1.60.0000.00817.55
8.1.50.0080.00017.64
8.1.40.0000.00717.55
8.1.30.0060.00317.62
8.1.20.0060.00317.63
8.1.10.0040.00417.50
8.1.00.0070.00317.60
8.0.300.0040.00418.77
8.0.290.0050.00316.88
8.0.280.0040.00418.45
8.0.270.0030.00317.30
8.0.260.0030.00317.17
8.0.250.0030.00316.98
8.0.240.0000.00717.01
8.0.230.0030.00316.99
8.0.220.0040.00416.97
8.0.210.0070.00016.98
8.0.200.0020.00516.90
8.0.190.0000.00716.99
8.0.180.0040.00416.87
8.0.170.0000.00816.91
8.0.160.0070.00016.89
8.0.150.0000.00716.92
8.0.140.0070.00016.92
8.0.130.0030.00313.36
8.0.120.0000.00816.90
8.0.110.0050.00316.92
8.0.100.0050.00216.80
8.0.90.0000.00816.83
8.0.80.0060.00916.86
8.0.70.0040.00416.90
8.0.60.0040.00416.77
8.0.50.0080.00016.82
8.0.30.0170.00217.04
8.0.20.0090.01217.40
8.0.10.0000.00817.04
8.0.00.0030.01816.58
7.4.330.0000.00615.08
7.4.320.0000.00716.74
7.4.300.0070.00016.65
7.4.290.0030.00316.57
7.4.280.0110.00016.61
7.4.270.0030.00316.72
7.4.260.0050.00316.69
7.4.250.0070.00016.68
7.4.240.0000.00716.63
7.4.230.0040.00416.61
7.4.220.0110.00716.54
7.4.210.0110.00816.76
7.4.200.0070.00016.54
7.4.160.0120.00416.69
7.4.150.0070.01117.40
7.4.140.0070.01117.86
7.4.130.0080.01016.69
7.4.120.0100.00716.67
7.4.110.0100.00716.73
7.4.100.0130.00716.62
7.4.90.0060.01216.65
7.4.80.0040.01319.39
7.4.70.0000.01616.73
7.4.60.0040.01416.52
7.4.50.0030.01016.52
7.4.40.0100.01016.73
7.4.30.0060.01016.80
7.4.10.0070.01015.03
7.4.00.0090.00715.15
7.3.330.0050.00013.23
7.3.320.0050.00013.25
7.3.310.0040.00416.16
7.3.300.0070.00016.35
7.3.290.0050.00216.32
7.3.280.0080.00916.33
7.3.270.0110.00817.40
7.3.260.0140.00716.31
7.3.250.0090.01116.32
7.3.240.0130.00716.42
7.3.230.0100.01316.78
7.3.210.0030.01316.38
7.3.200.0110.01116.53
7.3.190.0100.00816.34
7.3.180.0090.00616.29
7.3.170.0100.00616.74
7.3.160.0120.00316.42
7.3.130.0120.00415.20
7.3.120.0100.01015.07
7.3.110.0040.01514.86
7.3.100.0110.00714.87
7.3.90.0030.01315.03
7.3.80.0060.00615.12
7.3.70.0080.00614.66
7.3.60.0030.01214.91
7.3.50.0030.01114.95
7.3.40.0070.00714.93
7.3.30.0110.00014.95
7.3.20.0110.00716.75
7.3.10.0050.00916.47
7.3.00.0050.01016.66
7.2.330.0100.01316.85
7.2.320.0080.00816.77
7.2.310.0170.00016.68
7.2.300.0100.01016.66
7.2.290.0000.01816.75
7.2.260.0040.01115.04
7.2.250.0150.00315.05
7.2.240.0080.00615.28
7.2.230.0130.00315.04
7.2.220.0060.01215.07
7.2.210.0000.01415.14
7.2.200.0090.00315.24
7.2.190.0040.01115.01
7.2.180.0030.01314.82
7.2.170.0090.00015.14
7.2.160.0030.00915.13
7.2.150.0060.01016.96
7.2.140.0030.01516.68
7.2.130.0080.00816.94
7.2.120.0050.00917.02
7.2.110.0050.01016.97
7.2.100.0060.00617.03
7.2.90.0070.00717.06
7.2.80.0060.00816.85
7.2.70.0020.01116.96
7.2.60.0040.01117.01
7.2.50.0020.00916.94
7.2.40.0050.01017.09
7.2.30.0070.00917.00
7.2.20.0060.00816.86
7.2.10.0060.01017.02
7.2.00.0070.00917.78
7.1.330.0080.00615.72
7.1.320.0080.00815.95
7.1.310.0060.00615.97
7.1.300.0030.01016.06
7.1.290.0030.00715.77
7.1.280.0070.00715.66
7.1.270.0090.00015.97
7.1.260.0060.00316.09
7.1.250.0030.00815.92
7.1.240.0080.00816.12
7.1.230.0080.00415.70
7.1.220.0030.00615.97
7.1.210.0040.00415.69
7.1.200.0030.01015.90
7.1.190.0080.00315.93
7.1.180.0000.01715.88
7.1.170.0060.00616.00
7.1.160.0030.01015.64
7.1.150.0040.00715.91
7.1.140.0030.00815.93
7.1.130.0000.00915.93
7.1.120.0090.00616.07
7.1.110.0040.00815.91
7.1.100.0050.00516.91
7.1.90.0110.00415.93
7.1.80.0100.00315.93
7.1.70.0030.00816.60
7.1.60.0080.01017.84
7.1.50.0100.00816.43
7.1.40.0040.01115.83
7.1.30.0090.00315.84
7.1.20.0030.00815.86
7.1.10.0100.00315.93
7.1.00.0010.04419.26
7.0.330.0000.01215.57
7.0.320.0030.00615.74
7.0.310.0100.00315.63
7.0.300.0030.00715.06
7.0.290.0090.00615.64
7.0.280.0040.00715.25
7.0.270.0090.00615.36
7.0.260.0030.00915.45
7.0.250.0100.00715.50
7.0.240.0080.00815.60
7.0.230.0030.01015.62
7.0.220.0110.00015.43
7.0.210.0060.00615.39
7.0.200.0020.01016.14
7.0.190.0060.00615.58
7.0.180.0030.01015.57
7.0.170.0090.00615.73
7.0.160.0070.00315.55
7.0.150.0040.01515.33
7.0.140.0060.00915.23
7.0.130.0040.00715.58
7.0.120.0070.00715.62
7.0.110.0090.00315.58
7.0.100.0000.00815.48
7.0.90.0030.01015.68
7.0.80.0000.00815.21
7.0.70.0030.01015.58
7.0.60.0050.03917.72
7.0.50.0140.03017.95
7.0.40.0090.03617.00
7.0.30.0120.03016.98
7.0.20.0080.03516.96
7.0.10.0150.02816.88
7.0.00.0130.02817.00
5.6.400.0080.00414.28
5.6.390.0040.01114.42
5.6.380.0030.01013.95
5.6.370.0070.00714.39
5.6.360.0140.00014.17
5.6.350.0000.01514.07
5.6.340.0090.00014.26
5.6.330.0030.01414.11
5.6.320.0030.00714.48
5.6.310.0100.00614.41
5.6.300.0070.01014.43
5.6.290.0090.00914.24
5.6.280.0080.03717.77
5.6.270.0070.00714.23
5.6.260.0030.01014.34
5.6.250.0100.00014.27
5.6.240.0030.01014.43
5.6.230.0070.00414.05
5.6.220.0030.01414.21
5.6.210.0120.03017.41
5.6.200.0160.02617.67
5.6.190.0110.03017.55
5.6.180.0100.03017.69
5.6.170.0080.03317.57
5.6.160.0160.03017.82
5.6.150.0120.03217.62
5.6.140.0180.03017.77
5.6.130.0070.03517.69
5.6.120.0230.02817.70
5.6.110.0170.03017.64
5.6.100.0250.02817.86
5.6.90.0220.03517.60
5.6.80.0240.02517.31
5.6.70.0140.02817.33
5.6.60.0120.03517.35
5.6.50.0070.03117.33
5.6.40.0070.03217.21
5.6.30.0120.03017.21
5.6.20.0100.02817.41
5.6.10.0090.03217.28
5.6.00.0140.02917.23
5.5.380.0050.00314.10
5.5.370.0030.01014.33
5.5.360.0040.00414.18
5.5.350.0090.03317.21
5.5.340.0050.03417.65
5.5.330.0080.03117.47
5.5.320.0100.02817.58
5.5.310.0050.03817.47
5.5.300.0170.03217.52
5.5.290.0170.03717.37
5.5.280.0200.03317.52
5.5.270.0090.03317.60
5.5.260.0260.03017.42
5.5.250.0280.02517.24
5.5.240.0150.03417.14
5.5.230.0100.03017.21
5.5.220.0050.03517.29
5.5.210.0050.03717.16
5.5.200.0090.03217.20
5.5.190.0090.03317.14
5.5.180.0140.03017.06
5.5.170.0100.00713.96
5.5.160.0120.03017.15
5.5.150.0100.03016.93
5.5.140.0080.03617.19
5.5.130.0080.03317.01
5.5.120.0130.03017.23
5.5.110.0110.02817.00
5.5.100.0100.03017.11
5.5.90.0130.02517.13
5.5.80.0120.02717.05
5.5.70.0100.03417.05
5.5.60.0130.02817.21
5.5.50.0080.03717.11
5.5.40.0110.03516.99
5.5.30.0180.02517.10
5.5.20.0100.03117.08
5.5.10.0100.03317.21
5.5.00.0050.03617.03

preferences:
61.7 ms | 401 KiB | 5 Q