3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array('a' => '"i'); $y = json_encode($x); $z = str_replace($y, '\"', 'x'); var_dump($z);

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
8.3.50.0070.01121.93
8.3.40.0110.00718.65
8.3.30.0040.01118.52
8.3.20.0040.00419.96
8.3.10.0040.00421.63
8.3.00.0040.00419.13
8.2.180.0150.00016.63
8.2.170.0130.00622.96
8.2.160.0030.01719.21
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0030.00519.36
8.2.110.0100.00021.10
8.2.100.0040.00717.80
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0090.00017.50
8.2.60.0080.00017.78
8.2.50.0080.00318.10
8.2.40.0030.00620.63
8.2.30.0080.00019.16
8.2.20.0040.00417.66
8.2.10.0000.00717.95
8.2.00.0040.00417.91
8.1.280.0110.00725.92
8.1.270.0000.00723.82
8.1.260.0050.00326.35
8.1.250.0060.00328.09
8.1.240.0030.00623.79
8.1.230.0080.00317.76
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0050.00218.50
8.1.160.0070.00022.04
8.1.150.0000.00718.78
8.1.140.0000.00819.50
8.1.130.0000.00717.68
8.1.120.0030.00317.45
8.1.110.0000.00717.26
8.1.100.0090.00017.29
8.1.90.0040.00417.27
8.1.80.0070.00017.35
8.1.70.0040.00417.34
8.1.60.0040.00417.50
8.1.50.0000.00817.47
8.1.40.0060.00317.34
8.1.30.0040.00417.58
8.1.20.0050.00317.57
8.1.10.0020.00517.37
8.1.00.0040.00417.35
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.28
8.0.270.0030.00517.18
8.0.260.0060.00317.18
8.0.250.0030.00316.75
8.0.240.0070.00016.87
8.0.230.0030.00516.87
8.0.220.0040.00416.88
8.0.210.0060.00316.71
8.0.200.0050.00316.85
8.0.190.0000.00816.77
8.0.180.0000.00716.73
8.0.170.0000.00816.75
8.0.160.0020.00516.81
8.0.150.0000.00716.73
8.0.140.0060.00316.75
8.0.130.0060.00013.23
8.0.120.0000.00716.79
8.0.110.0090.00016.76
8.0.100.0000.00816.80
8.0.90.0000.00716.64
8.0.80.0080.01416.88
8.0.70.0000.00716.63
8.0.60.0040.00416.76
8.0.50.0050.00316.67
8.0.30.0100.00717.18
8.0.20.0130.00517.40
8.0.10.0000.00816.96
8.0.00.0140.01116.67
7.4.330.0020.00215.08
7.4.320.0000.00616.49
7.4.300.0030.00316.39
7.4.290.0040.00416.41
7.4.280.0030.00716.50
7.4.270.0070.00016.33
7.4.260.0000.00716.31
7.4.250.0040.00416.39
7.4.240.0000.00716.44
7.4.230.0000.00716.55
7.4.220.0110.00716.39
7.4.210.0060.00916.53
7.4.200.0080.00016.33
7.4.160.0110.00516.49
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0070.01116.44
7.4.120.0090.00816.56
7.4.110.0080.01116.31
7.4.100.0170.00016.38
7.4.90.0130.00316.44
7.4.80.0140.00319.39
7.4.70.0080.00816.43
7.4.60.0080.00816.37
7.4.50.0070.00716.22
7.4.40.0080.00816.41
7.4.30.0030.01316.25
7.4.10.0110.00714.91
7.4.00.0120.00514.88
7.3.330.0020.00212.87
7.3.320.0000.00712.95
7.3.310.0030.00316.05
7.3.300.0030.00315.98
7.3.290.0070.00916.11
7.3.280.0080.01016.13
7.3.270.0130.01017.40
7.3.260.0080.01216.23
7.3.250.0070.01016.20
7.3.240.0100.01116.34
7.3.230.0110.00716.54
7.3.210.0110.00716.43
7.3.200.0150.00616.49
7.3.190.0140.00216.39
7.3.180.0030.01316.11
7.3.170.0100.01016.48
7.3.160.0060.00916.04
7.3.130.0120.00614.33
7.3.120.0070.00814.47
7.3.110.0060.01114.59
7.3.100.0050.01014.68
7.3.90.0090.00514.78
7.3.80.0000.01414.76
7.3.70.0030.01014.37
7.3.60.0080.00714.62
7.3.50.0040.00814.53
7.3.40.0050.01214.66
7.3.30.0040.00914.65
7.3.20.0070.00916.63
7.3.10.0060.00716.48
7.3.00.0020.01016.53
7.2.330.0150.00316.55
7.2.320.0070.01016.29
7.2.310.0070.01116.61
7.2.300.0070.01116.49
7.2.290.0120.00616.16
7.2.260.0060.01515.00
7.2.250.0100.00814.90
7.2.240.0040.01015.06
7.2.230.0040.01115.00
7.2.220.0090.00614.64
7.2.210.0050.01015.03
7.2.200.0050.00814.81
7.2.190.0030.01214.66
7.2.180.0030.01214.61
7.2.170.0040.01314.85
7.2.160.0030.00915.00
7.2.150.0070.01316.84
7.2.140.0090.00616.64
7.2.130.0040.00716.68
7.2.120.0050.00716.64
7.2.110.0070.00516.77
7.2.100.0010.01116.73
7.2.90.0050.01016.75
7.2.80.0020.01016.94
7.2.70.0080.00616.76
7.2.60.0040.01116.62
7.2.50.0060.00716.80
7.2.40.0060.00916.69
7.2.30.0040.01116.84
7.2.20.0050.00816.63
7.2.10.0070.00716.84
7.2.00.0060.00717.18
7.1.330.0050.00915.79
7.1.320.0070.00715.67
7.1.310.0090.00315.86
7.1.300.0100.00515.54
7.1.290.0070.00915.63
7.1.280.0070.00915.68
7.1.270.0080.00815.77
7.1.260.0050.00915.66
7.1.250.0070.00515.63
7.1.240.0050.00915.77
7.1.230.0050.00515.76
7.1.220.0030.01215.80
7.1.210.0050.00815.61
7.1.200.0040.01015.60
7.1.190.0080.00415.74
7.1.180.0050.00815.66
7.1.170.0090.00715.87
7.1.160.0040.00915.63
7.1.150.0050.00715.78
7.1.140.0020.01415.64
7.1.130.0060.00515.58
7.1.120.0060.00815.81
7.1.110.0050.00715.60
7.1.100.0060.00515.79
7.1.90.0100.00515.79
7.1.80.0040.01015.78
7.1.70.0050.00616.13
7.1.60.0050.00616.87
7.1.50.0020.01315.68
7.1.40.0100.00515.81
7.1.30.0100.00615.62
7.1.20.0060.00715.71
7.1.10.0070.00715.73
7.1.00.0050.03117.93
7.0.330.0090.00415.41
7.0.320.0000.01415.24
7.0.310.0050.00515.44
7.0.300.0040.01115.17
7.0.290.0050.01015.20
7.0.280.0090.00515.33
7.0.270.0050.00915.17
7.0.260.0050.01015.21
7.0.250.0090.00915.19
7.0.240.0070.00815.36
7.0.230.0060.00915.27
7.0.220.0100.00315.38
7.0.210.0050.00815.37
7.0.200.0170.00614.99
7.0.190.0080.00515.27
7.0.180.0050.01215.13
7.0.170.0060.00915.25
7.0.160.0060.01115.24
7.0.150.0060.00715.11
7.0.140.0060.00615.24
7.0.130.0060.00615.30
7.0.120.0050.00715.25
7.0.110.0070.00315.32
7.0.100.0020.00915.12
7.0.90.0290.03016.96
7.0.80.0170.02016.85
7.0.70.0210.02716.87
7.0.60.0300.03016.93
7.0.50.0280.03117.04
7.0.40.0100.01615.59
7.0.30.0080.03015.58
7.0.20.0030.03415.51
7.0.10.0080.02715.58
7.0.00.0080.02315.54
5.6.400.0050.00514.17
5.6.390.0070.00713.96
5.6.380.0070.00614.23
5.6.370.0070.00814.12
5.6.360.0070.01114.25
5.6.350.0070.00714.22
5.6.340.0070.00714.22
5.6.330.0070.00814.28
5.6.320.0070.00714.16
5.6.310.0070.00814.21
5.6.300.0090.00513.89
5.6.290.0070.00314.34
5.6.280.0050.00814.07
5.6.270.0030.00814.22
5.6.260.0040.00914.04
5.6.250.0060.00914.11
5.6.240.0060.03216.31
5.6.230.0060.02716.33
5.6.220.0020.03416.30
5.6.210.0090.03216.36
5.6.200.0030.03216.48
5.6.190.0070.03216.43
5.6.180.0070.03316.54
5.6.170.0070.03216.43
5.6.160.0100.02716.45
5.6.150.0040.03016.41
5.6.140.0060.02016.43
5.6.130.0110.02516.40
5.6.120.0040.01916.58
5.6.110.0090.02316.38
5.6.100.0030.03816.48
5.6.90.0080.02816.40
5.6.80.0050.03116.13
5.6.70.0090.02516.16
5.6.60.0030.03716.10
5.6.50.0060.03416.14
5.6.40.0060.03116.19
5.6.30.0040.02016.24
5.6.20.0050.02216.16
5.6.10.0030.03416.33
5.6.00.0070.02916.17
5.5.380.0060.02015.16
5.5.370.0080.00512.82
5.5.360.0080.00612.75
5.5.350.0080.00312.82
5.5.340.0060.00612.79
5.5.330.0030.01112.54
5.5.320.0080.00512.68
5.5.310.0020.00812.74
5.5.300.0070.00512.76
5.5.290.0020.00812.82
5.5.280.0050.00612.76
5.5.270.0050.00412.81
5.5.260.0070.00212.52
5.5.250.0000.01012.66
5.5.240.0040.00612.62
5.5.230.0070.00312.67
5.5.220.0040.00612.67
5.5.210.0040.00912.58
5.5.200.0050.00512.68
5.5.190.0040.00712.49
5.5.180.0030.00912.66
5.5.170.0070.00512.75
5.5.160.0090.00112.58
5.5.150.0060.00512.76
5.5.140.0070.00712.72
5.5.130.0070.00412.75
5.5.120.0050.00312.69
5.5.110.0050.00512.53
5.5.100.0030.00512.79
5.5.90.0040.00712.68
5.5.80.0070.00312.73
5.5.70.0090.00412.69
5.5.60.0030.01012.66
5.5.50.0020.00912.52
5.5.40.0070.00412.73
5.5.30.0040.00612.54
5.5.20.0030.00712.69
5.5.10.0020.00812.52
5.5.00.0050.00712.69

preferences:
66.74 ms | 401 KiB | 5 Q